Home / 25,678.24-38,517.05-8,148.22

Finding the Fourth Proportional to 25,678.24, 38,517.05 and 8,148.22

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Solution

The fourth proportional to 25,678.24, 38,517.05 and 8,148.22 is: 12,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678.24 : 38,517.05 = 8,148.22 : x
  2. Step 2: Convert to fraction form
    25,678.24/38,517.05 = 8,148.22/x
  3. Step 3: Cross multiply
    25,678.24x = 38,517.05 × 8,148.22
  4. Step 4: Simplify right side
    25,678.24x = 313,845,397.15
  5. Step 5: Solve for x
    x = 313,845,397.15/25,678.24
  6. Step 6: Final answer
    x = 12,222.23

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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.