Home / 26,939.33-40,433.92-13,621.72

Finding the Fourth Proportional to 26,939.33, 40,433.92 and 13,621.72

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Solution

The fourth proportional to 26,939.33, 40,433.92 and 13,621.72 is: 20,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.33 : 40,433.92 = 13,621.72 : x
  2. Step 2: Convert to fraction form
    26,939.33/40,433.92 = 13,621.72/x
  3. Step 3: Cross multiply
    26,939.33x = 40,433.92 × 13,621.72
  4. Step 4: Simplify right side
    26,939.33x = 550,779,477.42
  5. Step 5: Solve for x
    x = 550,779,477.42/26,939.33
  6. Step 6: Final answer
    x = 20,445.18

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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.