Home / 25,789.04-35,593.92-15,187.76

Finding the Fourth Proportional to 25,789.04, 35,593.92 and 15,187.76

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Solution

The fourth proportional to 25,789.04, 35,593.92 and 15,187.76 is: 20,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.04 : 35,593.92 = 15,187.76 : x
  2. Step 2: Convert to fraction form
    25,789.04/35,593.92 = 15,187.76/x
  3. Step 3: Cross multiply
    25,789.04x = 35,593.92 × 15,187.76
  4. Step 4: Simplify right side
    25,789.04x = 540,591,914.42
  5. Step 5: Solve for x
    x = 540,591,914.42/25,789.04
  6. Step 6: Final answer
    x = 20,962.08

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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.