Home / 25,645.08-38,463.76-8,112.63

Finding the Fourth Proportional to 25,645.08, 38,463.76 and 8,112.63

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Solution

The fourth proportional to 25,645.08, 38,463.76 and 8,112.63 is: 12,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.08 : 38,463.76 = 8,112.63 : x
  2. Step 2: Convert to fraction form
    25,645.08/38,463.76 = 8,112.63/x
  3. Step 3: Cross multiply
    25,645.08x = 38,463.76 × 8,112.63
  4. Step 4: Simplify right side
    25,645.08x = 312,042,081.25
  5. Step 5: Solve for x
    x = 312,042,081.25/25,645.08
  6. Step 6: Final answer
    x = 12,167.72

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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.