Home / 25,919.80-35,763.24-15,311.04

Finding the Fourth Proportional to 25,919.80, 35,763.24 and 15,311.04

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Solution

The fourth proportional to 25,919.80, 35,763.24 and 15,311.04 is: 21,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.80 : 35,763.24 = 15,311.04 : x
  2. Step 2: Convert to fraction form
    25,919.80/35,763.24 = 15,311.04/x
  3. Step 3: Cross multiply
    25,919.80x = 35,763.24 × 15,311.04
  4. Step 4: Simplify right side
    25,919.80x = 547,572,398.17
  5. Step 5: Solve for x
    x = 547,572,398.17/25,919.80
  6. Step 6: Final answer
    x = 21,125.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.