Home / 26,511.31-39,766.95-12,461.02

Finding the Fourth Proportional to 26,511.31, 39,766.95 and 12,461.02

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Solution

The fourth proportional to 26,511.31, 39,766.95 and 12,461.02 is: 18,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.31 : 39,766.95 = 12,461.02 : x
  2. Step 2: Convert to fraction form
    26,511.31/39,766.95 = 12,461.02/x
  3. Step 3: Cross multiply
    26,511.31x = 39,766.95 × 12,461.02
  4. Step 4: Simplify right side
    26,511.31x = 495,536,759.29
  5. Step 5: Solve for x
    x = 495,536,759.29/26,511.31
  6. Step 6: Final answer
    x = 18,691.52

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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.