Home / 38,191.98-57,264.87-17,128.20

Finding the Fourth Proportional to 38,191.98, 57,264.87 and 17,128.20

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Solution

The fourth proportional to 38,191.98, 57,264.87 and 17,128.20 is: 25,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.98 : 57,264.87 = 17,128.20 : x
  2. Step 2: Convert to fraction form
    38,191.98/57,264.87 = 17,128.20/x
  3. Step 3: Cross multiply
    38,191.98x = 57,264.87 × 17,128.20
  4. Step 4: Simplify right side
    38,191.98x = 980,844,146.33
  5. Step 5: Solve for x
    x = 980,844,146.33/38,191.98
  6. Step 6: Final answer
    x = 25,681.94

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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.