Home / 25,929.40-38,922.90-16,079.80

Finding the Fourth Proportional to 25,929.40, 38,922.90 and 16,079.80

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Solution

The fourth proportional to 25,929.40, 38,922.90 and 16,079.80 is: 24,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.40 : 38,922.90 = 16,079.80 : x
  2. Step 2: Convert to fraction form
    25,929.40/38,922.90 = 16,079.80/x
  3. Step 3: Cross multiply
    25,929.40x = 38,922.90 × 16,079.80
  4. Step 4: Simplify right side
    25,929.40x = 625,872,447.42
  5. Step 5: Solve for x
    x = 625,872,447.42/25,929.40
  6. Step 6: Final answer
    x = 24,137.56

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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.