Home / 25,610.40-38,424.72-10,039.20

Finding the Fourth Proportional to 25,610.40, 38,424.72 and 10,039.20

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Solution

The fourth proportional to 25,610.40, 38,424.72 and 10,039.20 is: 15,062.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.40 : 38,424.72 = 10,039.20 : x
  2. Step 2: Convert to fraction form
    25,610.40/38,424.72 = 10,039.20/x
  3. Step 3: Cross multiply
    25,610.40x = 38,424.72 × 10,039.20
  4. Step 4: Simplify right side
    25,610.40x = 385,753,449.02
  5. Step 5: Solve for x
    x = 385,753,449.02/25,610.40
  6. Step 6: Final answer
    x = 15,062.38

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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.