Home / 26,591.12-39,876.74-8,818.52

Finding the Fourth Proportional to 26,591.12, 39,876.74 and 8,818.52

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Solution

The fourth proportional to 26,591.12, 39,876.74 and 8,818.52 is: 13,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.12 : 39,876.74 = 8,818.52 : x
  2. Step 2: Convert to fraction form
    26,591.12/39,876.74 = 8,818.52/x
  3. Step 3: Cross multiply
    26,591.12x = 39,876.74 × 8,818.52
  4. Step 4: Simplify right side
    26,591.12x = 351,653,829.22
  5. Step 5: Solve for x
    x = 351,653,829.22/26,591.12
  6. Step 6: Final answer
    x = 13,224.48

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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.