Home / 26,419.68-39,642.42-11,626.74

Finding the Fourth Proportional to 26,419.68, 39,642.42 and 11,626.74

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Solution

The fourth proportional to 26,419.68, 39,642.42 and 11,626.74 is: 17,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.68 : 39,642.42 = 11,626.74 : x
  2. Step 2: Convert to fraction form
    26,419.68/39,642.42 = 11,626.74/x
  3. Step 3: Cross multiply
    26,419.68x = 39,642.42 × 11,626.74
  4. Step 4: Simplify right side
    26,419.68x = 460,912,110.31
  5. Step 5: Solve for x
    x = 460,912,110.31/26,419.68
  6. Step 6: Final answer
    x = 17,445.79

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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.