Home / 19,932.56-27,507.15-10,979.87

Finding the Fourth Proportional to 19,932.56, 27,507.15 and 10,979.87

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Solution

The fourth proportional to 19,932.56, 27,507.15 and 10,979.87 is: 15,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.56 : 27,507.15 = 10,979.87 : x
  2. Step 2: Convert to fraction form
    19,932.56/27,507.15 = 10,979.87/x
  3. Step 3: Cross multiply
    19,932.56x = 27,507.15 × 10,979.87
  4. Step 4: Simplify right side
    19,932.56x = 302,024,793.53
  5. Step 5: Solve for x
    x = 302,024,793.53/19,932.56
  6. Step 6: Final answer
    x = 15,152.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.