Home / 26,981.49-40,456.56-8,256.18

Finding the Fourth Proportional to 26,981.49, 40,456.56 and 8,256.18

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Solution

The fourth proportional to 26,981.49, 40,456.56 and 8,256.18 is: 12,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.49 : 40,456.56 = 8,256.18 : x
  2. Step 2: Convert to fraction form
    26,981.49/40,456.56 = 8,256.18/x
  3. Step 3: Cross multiply
    26,981.49x = 40,456.56 × 8,256.18
  4. Step 4: Simplify right side
    26,981.49x = 334,016,641.54
  5. Step 5: Solve for x
    x = 334,016,641.54/26,981.49
  6. Step 6: Final answer
    x = 12,379.47

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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.