Home / 57,390.53-86,085.68-15,270.61

Finding the Fourth Proportional to 57,390.53, 86,085.68 and 15,270.61

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Solution

The fourth proportional to 57,390.53, 86,085.68 and 15,270.61 is: 22,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390.53 : 86,085.68 = 15,270.61 : x
  2. Step 2: Convert to fraction form
    57,390.53/86,085.68 = 15,270.61/x
  3. Step 3: Cross multiply
    57,390.53x = 86,085.68 × 15,270.61
  4. Step 4: Simplify right side
    57,390.53x = 1,314,580,758.66
  5. Step 5: Solve for x
    x = 1,314,580,758.66/57,390.53
  6. Step 6: Final answer
    x = 22,905.88

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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.