Home / 26,479.98-39,724.88-8,711.62

Finding the Fourth Proportional to 26,479.98, 39,724.88 and 8,711.62

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Solution

The fourth proportional to 26,479.98, 39,724.88 and 8,711.62 is: 13,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.98 : 39,724.88 = 8,711.62 : x
  2. Step 2: Convert to fraction form
    26,479.98/39,724.88 = 8,711.62/x
  3. Step 3: Cross multiply
    26,479.98x = 39,724.88 × 8,711.62
  4. Step 4: Simplify right side
    26,479.98x = 346,067,916.24
  5. Step 5: Solve for x
    x = 346,067,916.24/26,479.98
  6. Step 6: Final answer
    x = 13,069.04

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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.