Home / 27,635.52-38,126.88-17,705.28

Finding the Fourth Proportional to 27,635.52, 38,126.88 and 17,705.28

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Solution

The fourth proportional to 27,635.52, 38,126.88 and 17,705.28 is: 24,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.52 : 38,126.88 = 17,705.28 : x
  2. Step 2: Convert to fraction form
    27,635.52/38,126.88 = 17,705.28/x
  3. Step 3: Cross multiply
    27,635.52x = 38,126.88 × 17,705.28
  4. Step 4: Simplify right side
    27,635.52x = 675,047,085.93
  5. Step 5: Solve for x
    x = 675,047,085.93/27,635.52
  6. Step 6: Final answer
    x = 24,426.79

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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.