Home / 25,776.80-38,638.20-10,792.48

Finding the Fourth Proportional to 25,776.80, 38,638.20 and 10,792.48

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Solution

The fourth proportional to 25,776.80, 38,638.20 and 10,792.48 is: 16,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.80 : 38,638.20 = 10,792.48 : x
  2. Step 2: Convert to fraction form
    25,776.80/38,638.20 = 10,792.48/x
  3. Step 3: Cross multiply
    25,776.80x = 38,638.20 × 10,792.48
  4. Step 4: Simplify right side
    25,776.80x = 417,002,000.74
  5. Step 5: Solve for x
    x = 417,002,000.74/25,776.80
  6. Step 6: Final answer
    x = 16,177.42

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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.