Home / 28,284.21-42,426.41-9,564.39

Finding the Fourth Proportional to 28,284.21, 42,426.41 and 9,564.39

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Solution

The fourth proportional to 28,284.21, 42,426.41 and 9,564.39 is: 14,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.21 : 42,426.41 = 9,564.39 : x
  2. Step 2: Convert to fraction form
    28,284.21/42,426.41 = 9,564.39/x
  3. Step 3: Cross multiply
    28,284.21x = 42,426.41 × 9,564.39
  4. Step 4: Simplify right side
    28,284.21x = 405,782,683.72
  5. Step 5: Solve for x
    x = 405,782,683.72/28,284.21
  6. Step 6: Final answer
    x = 14,346.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.