Home / 25,520.62-35,213.04-15,447.10

Finding the Fourth Proportional to 25,520.62, 35,213.04 and 15,447.10

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Solution

The fourth proportional to 25,520.62, 35,213.04 and 15,447.10 is: 21,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.62 : 35,213.04 = 15,447.10 : x
  2. Step 2: Convert to fraction form
    25,520.62/35,213.04 = 15,447.10/x
  3. Step 3: Cross multiply
    25,520.62x = 35,213.04 × 15,447.10
  4. Step 4: Simplify right side
    25,520.62x = 543,939,350.18
  5. Step 5: Solve for x
    x = 543,939,350.18/25,520.62
  6. Step 6: Final answer
    x = 21,313.72

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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.