Home / 38,279.57-57,311.51-28,889.73

Finding the Fourth Proportional to 38,279.57, 57,311.51 and 28,889.73

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Solution

The fourth proportional to 38,279.57, 57,311.51 and 28,889.73 is: 43,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.57 : 57,311.51 = 28,889.73 : x
  2. Step 2: Convert to fraction form
    38,279.57/57,311.51 = 28,889.73/x
  3. Step 3: Cross multiply
    38,279.57x = 57,311.51 × 28,889.73
  4. Step 4: Simplify right side
    38,279.57x = 1,655,713,905.34
  5. Step 5: Solve for x
    x = 1,655,713,905.34/38,279.57
  6. Step 6: Final answer
    x = 43,253.21

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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.