Home / 26,815.10-40,169.19-20,944.22

Finding the Fourth Proportional to 26,815.10, 40,169.19 and 20,944.22

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Solution

The fourth proportional to 26,815.10, 40,169.19 and 20,944.22 is: 31,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.10 : 40,169.19 = 20,944.22 : x
  2. Step 2: Convert to fraction form
    26,815.10/40,169.19 = 20,944.22/x
  3. Step 3: Cross multiply
    26,815.10x = 40,169.19 × 20,944.22
  4. Step 4: Simplify right side
    26,815.10x = 841,312,352.58
  5. Step 5: Solve for x
    x = 841,312,352.58/26,815.10
  6. Step 6: Final answer
    x = 31,374.57

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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.