Home / 27,638.52-38,131.02-17,708.28

Finding the Fourth Proportional to 27,638.52, 38,131.02 and 17,708.28

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Solution

The fourth proportional to 27,638.52, 38,131.02 and 17,708.28 is: 24,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.52 : 38,131.02 = 17,708.28 : x
  2. Step 2: Convert to fraction form
    27,638.52/38,131.02 = 17,708.28/x
  3. Step 3: Cross multiply
    27,638.52x = 38,131.02 × 17,708.28
  4. Step 4: Simplify right side
    27,638.52x = 675,234,778.85
  5. Step 5: Solve for x
    x = 675,234,778.85/27,638.52
  6. Step 6: Final answer
    x = 24,430.93

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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.