Home / 28,336.23-42,473.16-11,687.16

Finding the Fourth Proportional to 28,336.23, 42,473.16 and 11,687.16

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Solution

The fourth proportional to 28,336.23, 42,473.16 and 11,687.16 is: 17,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.23 : 42,473.16 = 11,687.16 : x
  2. Step 2: Convert to fraction form
    28,336.23/42,473.16 = 11,687.16/x
  3. Step 3: Cross multiply
    28,336.23x = 42,473.16 × 11,687.16
  4. Step 4: Simplify right side
    28,336.23x = 496,390,616.63
  5. Step 5: Solve for x
    x = 496,390,616.63/28,336.23
  6. Step 6: Final answer
    x = 17,517.88

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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.