Home / 57,140.92-85,728.93-25,577.58

Finding the Fourth Proportional to 57,140.92, 85,728.93 and 25,577.58

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Solution

The fourth proportional to 57,140.92, 85,728.93 and 25,577.58 is: 38,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,140.92 : 85,728.93 = 25,577.58 : x
  2. Step 2: Convert to fraction form
    57,140.92/85,728.93 = 25,577.58/x
  3. Step 3: Cross multiply
    57,140.92x = 85,728.93 × 25,577.58
  4. Step 4: Simplify right side
    57,140.92x = 2,192,738,565.39
  5. Step 5: Solve for x
    x = 2,192,738,565.39/57,140.92
  6. Step 6: Final answer
    x = 38,374.23

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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.