Home / 26,715.60-40,105.80-26,521.20

Finding the Fourth Proportional to 26,715.60, 40,105.80 and 26,521.20

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Solution

The fourth proportional to 26,715.60, 40,105.80 and 26,521.20 is: 39,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.60 : 40,105.80 = 26,521.20 : x
  2. Step 2: Convert to fraction form
    26,715.60/40,105.80 = 26,521.20/x
  3. Step 3: Cross multiply
    26,715.60x = 40,105.80 × 26,521.20
  4. Step 4: Simplify right side
    26,715.60x = 1,063,653,942.96
  5. Step 5: Solve for x
    x = 1,063,653,942.96/26,715.60
  6. Step 6: Final answer
    x = 39,813.96

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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.