Home / 26,221.20-39,331.80-25,832.40

Finding the Fourth Proportional to 26,221.20, 39,331.80 and 25,832.40

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Solution

The fourth proportional to 26,221.20, 39,331.80 and 25,832.40 is: 38,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.20 : 39,331.80 = 25,832.40 : x
  2. Step 2: Convert to fraction form
    26,221.20/39,331.80 = 25,832.40/x
  3. Step 3: Cross multiply
    26,221.20x = 39,331.80 × 25,832.40
  4. Step 4: Simplify right side
    26,221.20x = 1,016,034,790.32
  5. Step 5: Solve for x
    x = 1,016,034,790.32/26,221.20
  6. Step 6: Final answer
    x = 38,748.60

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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.