Home / 28,435.41-39,196.21-19,467.36

Finding the Fourth Proportional to 28,435.41, 39,196.21 and 19,467.36

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Solution

The fourth proportional to 28,435.41, 39,196.21 and 19,467.36 is: 26,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.41 : 39,196.21 = 19,467.36 : x
  2. Step 2: Convert to fraction form
    28,435.41/39,196.21 = 19,467.36/x
  3. Step 3: Cross multiply
    28,435.41x = 39,196.21 × 19,467.36
  4. Step 4: Simplify right side
    28,435.41x = 763,046,730.71
  5. Step 5: Solve for x
    x = 763,046,730.71/28,435.41
  6. Step 6: Final answer
    x = 26,834.38

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Half scale
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Double scale
Find fourth proportional to 28,436.41, 39,197.59 and 19,468.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.