Home / 28,519.08-42,754.62-12,932.52

Finding the Fourth Proportional to 28,519.08, 42,754.62 and 12,932.52

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Solution

The fourth proportional to 28,519.08, 42,754.62 and 12,932.52 is: 19,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.08 : 42,754.62 = 12,932.52 : x
  2. Step 2: Convert to fraction form
    28,519.08/42,754.62 = 12,932.52/x
  3. Step 3: Cross multiply
    28,519.08x = 42,754.62 × 12,932.52
  4. Step 4: Simplify right side
    28,519.08x = 552,924,978.24
  5. Step 5: Solve for x
    x = 552,924,978.24/28,519.08
  6. Step 6: Final answer
    x = 19,387.90

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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.