Home / 25,521.76-38,275.72-16,147.68

Finding the Fourth Proportional to 25,521.76, 38,275.72 and 16,147.68

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Solution

The fourth proportional to 25,521.76, 38,275.72 and 16,147.68 is: 24,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.76 : 38,275.72 = 16,147.68 : x
  2. Step 2: Convert to fraction form
    25,521.76/38,275.72 = 16,147.68/x
  3. Step 3: Cross multiply
    25,521.76x = 38,275.72 × 16,147.68
  4. Step 4: Simplify right side
    25,521.76x = 618,064,078.33
  5. Step 5: Solve for x
    x = 618,064,078.33/25,521.76
  6. Step 6: Final answer
    x = 24,217.14

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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.