Home / 25,685.44-38,521.20-10,103.20

Finding the Fourth Proportional to 25,685.44, 38,521.20 and 10,103.20

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Solution

The fourth proportional to 25,685.44, 38,521.20 and 10,103.20 is: 15,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.44 : 38,521.20 = 10,103.20 : x
  2. Step 2: Convert to fraction form
    25,685.44/38,521.20 = 10,103.20/x
  3. Step 3: Cross multiply
    25,685.44x = 38,521.20 × 10,103.20
  4. Step 4: Simplify right side
    25,685.44x = 389,187,387.84
  5. Step 5: Solve for x
    x = 389,187,387.84/25,685.44
  6. Step 6: Final answer
    x = 15,152.06

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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.