Home / 57,748.68-86,625.45-28,192.59

Finding the Fourth Proportional to 57,748.68, 86,625.45 and 28,192.59

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Solution

The fourth proportional to 57,748.68, 86,625.45 and 28,192.59 is: 42,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.68 : 86,625.45 = 28,192.59 : x
  2. Step 2: Convert to fraction form
    57,748.68/86,625.45 = 28,192.59/x
  3. Step 3: Cross multiply
    57,748.68x = 86,625.45 × 28,192.59
  4. Step 4: Simplify right side
    57,748.68x = 2,442,195,795.42
  5. Step 5: Solve for x
    x = 2,442,195,795.42/57,748.68
  6. Step 6: Final answer
    x = 42,290.07

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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.