Home / 28,462.28-42,695.47-10,932.11

Finding the Fourth Proportional to 28,462.28, 42,695.47 and 10,932.11

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Solution

The fourth proportional to 28,462.28, 42,695.47 and 10,932.11 is: 16,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.28 : 42,695.47 = 10,932.11 : x
  2. Step 2: Convert to fraction form
    28,462.28/42,695.47 = 10,932.11/x
  3. Step 3: Cross multiply
    28,462.28x = 42,695.47 × 10,932.11
  4. Step 4: Simplify right side
    28,462.28x = 466,751,574.54
  5. Step 5: Solve for x
    x = 466,751,574.54/28,462.28
  6. Step 6: Final answer
    x = 16,398.95

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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.