Home / 25,864.66-38,720.44-15,972.13

Finding the Fourth Proportional to 25,864.66, 38,720.44 and 15,972.13

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Solution

The fourth proportional to 25,864.66, 38,720.44 and 15,972.13 is: 23,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.66 : 38,720.44 = 15,972.13 : x
  2. Step 2: Convert to fraction form
    25,864.66/38,720.44 = 15,972.13/x
  3. Step 3: Cross multiply
    25,864.66x = 38,720.44 × 15,972.13
  4. Step 4: Simplify right side
    25,864.66x = 618,447,901.34
  5. Step 5: Solve for x
    x = 618,447,901.34/25,864.66
  6. Step 6: Final answer
    x = 23,910.92

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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.