Home / 26,920.50-40,405.23-13,781.94

Finding the Fourth Proportional to 26,920.50, 40,405.23 and 13,781.94

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Solution

The fourth proportional to 26,920.50, 40,405.23 and 13,781.94 is: 20,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.50 : 40,405.23 = 13,781.94 : x
  2. Step 2: Convert to fraction form
    26,920.50/40,405.23 = 13,781.94/x
  3. Step 3: Cross multiply
    26,920.50x = 40,405.23 × 13,781.94
  4. Step 4: Simplify right side
    26,920.50x = 556,862,455.55
  5. Step 5: Solve for x
    x = 556,862,455.55/26,920.50
  6. Step 6: Final answer
    x = 20,685.44

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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.