Home / 25,789.59-38,685.75-9,151.38

Finding the Fourth Proportional to 25,789.59, 38,685.75 and 9,151.38

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Solution

The fourth proportional to 25,789.59, 38,685.75 and 9,151.38 is: 13,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.59 : 38,685.75 = 9,151.38 : x
  2. Step 2: Convert to fraction form
    25,789.59/38,685.75 = 9,151.38/x
  3. Step 3: Cross multiply
    25,789.59x = 38,685.75 × 9,151.38
  4. Step 4: Simplify right side
    25,789.59x = 354,028,015.99
  5. Step 5: Solve for x
    x = 354,028,015.99/25,789.59
  6. Step 6: Final answer
    x = 13,727.56

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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.