Home / 72,292.16-108,439.36-25,512.32

Finding the Fourth Proportional to 72,292.16, 108,439.36 and 25,512.32

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Solution

The fourth proportional to 72,292.16, 108,439.36 and 25,512.32 is: 38,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292.16 : 108,439.36 = 25,512.32 : x
  2. Step 2: Convert to fraction form
    72,292.16/108,439.36 = 25,512.32/x
  3. Step 3: Cross multiply
    72,292.16x = 108,439.36 × 25,512.32
  4. Step 4: Simplify right side
    72,292.16x = 2,766,539,652.92
  5. Step 5: Solve for x
    x = 2,766,539,652.92/72,292.16
  6. Step 6: Final answer
    x = 38,268.88

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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.