Home / 26,269.66-39,340.40-13,800.11

Finding the Fourth Proportional to 26,269.66, 39,340.40 and 13,800.11

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Solution

The fourth proportional to 26,269.66, 39,340.40 and 13,800.11 is: 20,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269.66 : 39,340.40 = 13,800.11 : x
  2. Step 2: Convert to fraction form
    26,269.66/39,340.40 = 13,800.11/x
  3. Step 3: Cross multiply
    26,269.66x = 39,340.40 × 13,800.11
  4. Step 4: Simplify right side
    26,269.66x = 542,901,876.79
  5. Step 5: Solve for x
    x = 542,901,876.79/26,269.66
  6. Step 6: Final answer
    x = 20,666.50

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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.