Home / 25,959.80-38,925.30-11,166.20

Finding the Fourth Proportional to 25,959.80, 38,925.30 and 11,166.20

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Solution

The fourth proportional to 25,959.80, 38,925.30 and 11,166.20 is: 16,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,959.80 : 38,925.30 = 11,166.20 : x
  2. Step 2: Convert to fraction form
    25,959.80/38,925.30 = 11,166.20/x
  3. Step 3: Cross multiply
    25,959.80x = 38,925.30 × 11,166.20
  4. Step 4: Simplify right side
    25,959.80x = 434,647,684.86
  5. Step 5: Solve for x
    x = 434,647,684.86/25,959.80
  6. Step 6: Final answer
    x = 16,743.11

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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.