Home / 39,428.13-59,167.56-15,731.64

Finding the Fourth Proportional to 39,428.13, 59,167.56 and 15,731.64

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Solution

The fourth proportional to 39,428.13, 59,167.56 and 15,731.64 is: 23,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.13 : 59,167.56 = 15,731.64 : x
  2. Step 2: Convert to fraction form
    39,428.13/59,167.56 = 15,731.64/x
  3. Step 3: Cross multiply
    39,428.13x = 59,167.56 × 15,731.64
  4. Step 4: Simplify right side
    39,428.13x = 930,802,753.60
  5. Step 5: Solve for x
    x = 930,802,753.60/39,428.13
  6. Step 6: Final answer
    x = 23,607.58

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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.