Home / 28,410.26-39,175.39-19,341.50

Finding the Fourth Proportional to 28,410.26, 39,175.39 and 19,341.50

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Solution

The fourth proportional to 28,410.26, 39,175.39 and 19,341.50 is: 26,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.26 : 39,175.39 = 19,341.50 : x
  2. Step 2: Convert to fraction form
    28,410.26/39,175.39 = 19,341.50/x
  3. Step 3: Cross multiply
    28,410.26x = 39,175.39 × 19,341.50
  4. Step 4: Simplify right side
    28,410.26x = 757,710,805.69
  5. Step 5: Solve for x
    x = 757,710,805.69/28,410.26
  6. Step 6: Final answer
    x = 26,670.32

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Double scale
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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.