Home / 26,865.30-40,276.98-12,063.87

Finding the Fourth Proportional to 26,865.30, 40,276.98 and 12,063.87

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Solution

The fourth proportional to 26,865.30, 40,276.98 and 12,063.87 is: 18,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,865.30 : 40,276.98 = 12,063.87 : x
  2. Step 2: Convert to fraction form
    26,865.30/40,276.98 = 12,063.87/x
  3. Step 3: Cross multiply
    26,865.30x = 40,276.98 × 12,063.87
  4. Step 4: Simplify right side
    26,865.30x = 485,896,250.71
  5. Step 5: Solve for x
    x = 485,896,250.71/26,865.30
  6. Step 6: Final answer
    x = 18,086.39

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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.