Home / 26,717.85-40,071.31-9,189.05

Finding the Fourth Proportional to 26,717.85, 40,071.31 and 9,189.05

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Solution

The fourth proportional to 26,717.85, 40,071.31 and 9,189.05 is: 13,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.85 : 40,071.31 = 9,189.05 : x
  2. Step 2: Convert to fraction form
    26,717.85/40,071.31 = 9,189.05/x
  3. Step 3: Cross multiply
    26,717.85x = 40,071.31 × 9,189.05
  4. Step 4: Simplify right side
    26,717.85x = 368,217,047.83
  5. Step 5: Solve for x
    x = 368,217,047.83/26,717.85
  6. Step 6: Final answer
    x = 13,781.69

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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.