Home / 27,927.70-38,531.54-15,988.82

Finding the Fourth Proportional to 27,927.70, 38,531.54 and 15,988.82

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Solution

The fourth proportional to 27,927.70, 38,531.54 and 15,988.82 is: 22,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.70 : 38,531.54 = 15,988.82 : x
  2. Step 2: Convert to fraction form
    27,927.70/38,531.54 = 15,988.82/x
  3. Step 3: Cross multiply
    27,927.70x = 38,531.54 × 15,988.82
  4. Step 4: Simplify right side
    27,927.70x = 616,073,857.38
  5. Step 5: Solve for x
    x = 616,073,857.38/27,927.70
  6. Step 6: Final answer
    x = 22,059.60

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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.