Home / 25,645.42-38,464.28-8,112.97

Finding the Fourth Proportional to 25,645.42, 38,464.28 and 8,112.97

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Solution

The fourth proportional to 25,645.42, 38,464.28 and 8,112.97 is: 12,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.42 : 38,464.28 = 8,112.97 : x
  2. Step 2: Convert to fraction form
    25,645.42/38,464.28 = 8,112.97/x
  3. Step 3: Cross multiply
    25,645.42x = 38,464.28 × 8,112.97
  4. Step 4: Simplify right side
    25,645.42x = 312,059,549.71
  5. Step 5: Solve for x
    x = 312,059,549.71/25,645.42
  6. Step 6: Final answer
    x = 12,168.24

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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.