Home / 26,864.19-40,296.42-7,144.20

Finding the Fourth Proportional to 26,864.19, 40,296.42 and 7,144.20

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Solution

The fourth proportional to 26,864.19, 40,296.42 and 7,144.20 is: 10,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864.19 : 40,296.42 = 7,144.20 : x
  2. Step 2: Convert to fraction form
    26,864.19/40,296.42 = 7,144.20/x
  3. Step 3: Cross multiply
    26,864.19x = 40,296.42 × 7,144.20
  4. Step 4: Simplify right side
    26,864.19x = 287,885,683.76
  5. Step 5: Solve for x
    x = 287,885,683.76/26,864.19
  6. Step 6: Final answer
    x = 10,716.34

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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.