Home / 38,605.14-57,897.28-13,641.88

Finding the Fourth Proportional to 38,605.14, 57,897.28 and 13,641.88

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Solution

The fourth proportional to 38,605.14, 57,897.28 and 13,641.88 is: 20,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,605.14 : 57,897.28 = 13,641.88 : x
  2. Step 2: Convert to fraction form
    38,605.14/57,897.28 = 13,641.88/x
  3. Step 3: Cross multiply
    38,605.14x = 57,897.28 × 13,641.88
  4. Step 4: Simplify right side
    38,605.14x = 789,827,746.09
  5. Step 5: Solve for x
    x = 789,827,746.09/38,605.14
  6. Step 6: Final answer
    x = 20,459.13

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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.