Home / 57,687.06-86,523.28-18,248.16

Finding the Fourth Proportional to 57,687.06, 86,523.28 and 18,248.16

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Solution

The fourth proportional to 57,687.06, 86,523.28 and 18,248.16 is: 27,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,687.06 : 86,523.28 = 18,248.16 : x
  2. Step 2: Convert to fraction form
    57,687.06/86,523.28 = 18,248.16/x
  3. Step 3: Cross multiply
    57,687.06x = 86,523.28 × 18,248.16
  4. Step 4: Simplify right side
    57,687.06x = 1,578,890,657.16
  5. Step 5: Solve for x
    x = 1,578,890,657.16/57,687.06
  6. Step 6: Final answer
    x = 27,369.93

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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.