Home / 25,730.22-38,608.29-10,158.78

Finding the Fourth Proportional to 25,730.22, 38,608.29 and 10,158.78

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Solution

The fourth proportional to 25,730.22, 38,608.29 and 10,158.78 is: 15,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.22 : 38,608.29 = 10,158.78 : x
  2. Step 2: Convert to fraction form
    25,730.22/38,608.29 = 10,158.78/x
  3. Step 3: Cross multiply
    25,730.22x = 38,608.29 × 10,158.78
  4. Step 4: Simplify right side
    25,730.22x = 392,213,124.29
  5. Step 5: Solve for x
    x = 392,213,124.29/25,730.22
  6. Step 6: Final answer
    x = 15,243.29

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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.