Home / 57,646.35-86,463.05-15,529.55

Finding the Fourth Proportional to 57,646.35, 86,463.05 and 15,529.55

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Solution

The fourth proportional to 57,646.35, 86,463.05 and 15,529.55 is: 23,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646.35 : 86,463.05 = 15,529.55 : x
  2. Step 2: Convert to fraction form
    57,646.35/86,463.05 = 15,529.55/x
  3. Step 3: Cross multiply
    57,646.35x = 86,463.05 × 15,529.55
  4. Step 4: Simplify right side
    57,646.35x = 1,342,731,748.16
  5. Step 5: Solve for x
    x = 1,342,731,748.16/57,646.35
  6. Step 6: Final answer
    x = 23,292.57

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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.