Home / 25,332.78-38,015.49-13,654.14

Finding the Fourth Proportional to 25,332.78, 38,015.49 and 13,654.14

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Solution

The fourth proportional to 25,332.78, 38,015.49 and 13,654.14 is: 20,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,332.78 : 38,015.49 = 13,654.14 : x
  2. Step 2: Convert to fraction form
    25,332.78/38,015.49 = 13,654.14/x
  3. Step 3: Cross multiply
    25,332.78x = 38,015.49 × 13,654.14
  4. Step 4: Simplify right side
    25,332.78x = 519,068,822.63
  5. Step 5: Solve for x
    x = 519,068,822.63/25,332.78
  6. Step 6: Final answer
    x = 20,490.01

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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.