Home / 38,008.80-57,003.28-11,348.56

Finding the Fourth Proportional to 38,008.80, 57,003.28 and 11,348.56

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Solution

The fourth proportional to 38,008.80, 57,003.28 and 11,348.56 is: 17,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,008.80 : 57,003.28 = 11,348.56 : x
  2. Step 2: Convert to fraction form
    38,008.80/57,003.28 = 11,348.56/x
  3. Step 3: Cross multiply
    38,008.80x = 57,003.28 × 11,348.56
  4. Step 4: Simplify right side
    38,008.80x = 646,905,143.28
  5. Step 5: Solve for x
    x = 646,905,143.28/38,008.80
  6. Step 6: Final answer
    x = 17,019.88

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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.