Home / 27,996.14-42,000.42-15,534.56

Finding the Fourth Proportional to 27,996.14, 42,000.42 and 15,534.56

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Solution

The fourth proportional to 27,996.14, 42,000.42 and 15,534.56 is: 23,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.14 : 42,000.42 = 15,534.56 : x
  2. Step 2: Convert to fraction form
    27,996.14/42,000.42 = 15,534.56/x
  3. Step 3: Cross multiply
    27,996.14x = 42,000.42 × 15,534.56
  4. Step 4: Simplify right side
    27,996.14x = 652,458,044.52
  5. Step 5: Solve for x
    x = 652,458,044.52/27,996.14
  6. Step 6: Final answer
    x = 23,305.29

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1.5x scale

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.