Home / 57,133.76-85,755.92-27,572.40

Finding the Fourth Proportional to 57,133.76, 85,755.92 and 27,572.40

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Solution

The fourth proportional to 57,133.76, 85,755.92 and 27,572.40 is: 41,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,133.76 : 85,755.92 = 27,572.40 : x
  2. Step 2: Convert to fraction form
    57,133.76/85,755.92 = 27,572.40/x
  3. Step 3: Cross multiply
    57,133.76x = 85,755.92 × 27,572.40
  4. Step 4: Simplify right side
    57,133.76x = 2,364,496,390.75
  5. Step 5: Solve for x
    x = 2,364,496,390.75/57,133.76
  6. Step 6: Final answer
    x = 41,385.28

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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.