Home / 26,099.76-39,156.90-8,581.86

Finding the Fourth Proportional to 26,099.76, 39,156.90 and 8,581.86

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Solution

The fourth proportional to 26,099.76, 39,156.90 and 8,581.86 is: 12,875.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.76 : 39,156.90 = 8,581.86 : x
  2. Step 2: Convert to fraction form
    26,099.76/39,156.90 = 8,581.86/x
  3. Step 3: Cross multiply
    26,099.76x = 39,156.90 × 8,581.86
  4. Step 4: Simplify right side
    26,099.76x = 336,039,033.83
  5. Step 5: Solve for x
    x = 336,039,033.83/26,099.76
  6. Step 6: Final answer
    x = 12,875.18

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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.