Home / 27,736.31-38,276.10-14,989.44

Finding the Fourth Proportional to 27,736.31, 38,276.10 and 14,989.44

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Solution

The fourth proportional to 27,736.31, 38,276.10 and 14,989.44 is: 20,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.31 : 38,276.10 = 14,989.44 : x
  2. Step 2: Convert to fraction form
    27,736.31/38,276.10 = 14,989.44/x
  3. Step 3: Cross multiply
    27,736.31x = 38,276.10 × 14,989.44
  4. Step 4: Simplify right side
    27,736.31x = 573,737,304.38
  5. Step 5: Solve for x
    x = 573,737,304.38/27,736.31
  6. Step 6: Final answer
    x = 20,685.43

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1.5x scale

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.