Home / 26,916.18-40,373.76-12,114.66

Finding the Fourth Proportional to 26,916.18, 40,373.76 and 12,114.66

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Solution

The fourth proportional to 26,916.18, 40,373.76 and 12,114.66 is: 18,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916.18 : 40,373.76 = 12,114.66 : x
  2. Step 2: Convert to fraction form
    26,916.18/40,373.76 = 12,114.66/x
  3. Step 3: Cross multiply
    26,916.18x = 40,373.76 × 12,114.66
  4. Step 4: Simplify right side
    26,916.18x = 489,114,375.32
  5. Step 5: Solve for x
    x = 489,114,375.32/26,916.18
  6. Step 6: Final answer
    x = 18,171.76

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1.5x scale

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.