Home / 26,564.28-39,871.05-13,425.90

Finding the Fourth Proportional to 26,564.28, 39,871.05 and 13,425.90

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Solution

The fourth proportional to 26,564.28, 39,871.05 and 13,425.90 is: 20,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,564.28 : 39,871.05 = 13,425.90 : x
  2. Step 2: Convert to fraction form
    26,564.28/39,871.05 = 13,425.90/x
  3. Step 3: Cross multiply
    26,564.28x = 39,871.05 × 13,425.90
  4. Step 4: Simplify right side
    26,564.28x = 535,304,730.20
  5. Step 5: Solve for x
    x = 535,304,730.20/26,564.28
  6. Step 6: Final answer
    x = 20,151.30

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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.