Home / 27,566.10-38,040.12-14,990.85

Finding the Fourth Proportional to 27,566.10, 38,040.12 and 14,990.85

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Solution

The fourth proportional to 27,566.10, 38,040.12 and 14,990.85 is: 20,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,566.10 : 38,040.12 = 14,990.85 : x
  2. Step 2: Convert to fraction form
    27,566.10/38,040.12 = 14,990.85/x
  3. Step 3: Cross multiply
    27,566.10x = 38,040.12 × 14,990.85
  4. Step 4: Simplify right side
    27,566.10x = 570,253,732.90
  5. Step 5: Solve for x
    x = 570,253,732.90/27,566.10
  6. Step 6: Final answer
    x = 20,686.78

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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.