Home / 25,705.17-35,474.97-15,631.74

Finding the Fourth Proportional to 25,705.17, 35,474.97 and 15,631.74

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Solution

The fourth proportional to 25,705.17, 35,474.97 and 15,631.74 is: 21,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.17 : 35,474.97 = 15,631.74 : x
  2. Step 2: Convert to fraction form
    25,705.17/35,474.97 = 15,631.74/x
  3. Step 3: Cross multiply
    25,705.17x = 35,474.97 × 15,631.74
  4. Step 4: Simplify right side
    25,705.17x = 554,535,507.55
  5. Step 5: Solve for x
    x = 554,535,507.55/25,705.17
  6. Step 6: Final answer
    x = 21,572.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.