Home / 26,779.70-40,194.22-13,641.50

Finding the Fourth Proportional to 26,779.70, 40,194.22 and 13,641.50

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Solution

The fourth proportional to 26,779.70, 40,194.22 and 13,641.50 is: 20,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.70 : 40,194.22 = 13,641.50 : x
  2. Step 2: Convert to fraction form
    26,779.70/40,194.22 = 13,641.50/x
  3. Step 3: Cross multiply
    26,779.70x = 40,194.22 × 13,641.50
  4. Step 4: Simplify right side
    26,779.70x = 548,309,452.13
  5. Step 5: Solve for x
    x = 548,309,452.13/26,779.70
  6. Step 6: Final answer
    x = 20,474.82

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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.