Home / 40,086.28-55,311.42-25,937.20

Finding the Fourth Proportional to 40,086.28, 55,311.42 and 25,937.20

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Solution

The fourth proportional to 40,086.28, 55,311.42 and 25,937.20 is: 35,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.28 : 55,311.42 = 25,937.20 : x
  2. Step 2: Convert to fraction form
    40,086.28/55,311.42 = 25,937.20/x
  3. Step 3: Cross multiply
    40,086.28x = 55,311.42 × 25,937.20
  4. Step 4: Simplify right side
    40,086.28x = 1,434,623,362.82
  5. Step 5: Solve for x
    x = 1,434,623,362.82/40,086.28
  6. Step 6: Final answer
    x = 35,788.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.