Home / 28,048.97-38,704.88-15,472.91

Finding the Fourth Proportional to 28,048.97, 38,704.88 and 15,472.91

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Solution

The fourth proportional to 28,048.97, 38,704.88 and 15,472.91 is: 21,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.97 : 38,704.88 = 15,472.91 : x
  2. Step 2: Convert to fraction form
    28,048.97/38,704.88 = 15,472.91/x
  3. Step 3: Cross multiply
    28,048.97x = 38,704.88 × 15,472.91
  4. Step 4: Simplify right side
    28,048.97x = 598,876,969.96
  5. Step 5: Solve for x
    x = 598,876,969.96/28,048.97
  6. Step 6: Final answer
    x = 21,351.13

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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.