Home / 26,761.59-40,147.25-11,970.18

Finding the Fourth Proportional to 26,761.59, 40,147.25 and 11,970.18

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Solution

The fourth proportional to 26,761.59, 40,147.25 and 11,970.18 is: 17,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.59 : 40,147.25 = 11,970.18 : x
  2. Step 2: Convert to fraction form
    26,761.59/40,147.25 = 11,970.18/x
  3. Step 3: Cross multiply
    26,761.59x = 40,147.25 × 11,970.18
  4. Step 4: Simplify right side
    26,761.59x = 480,569,749.15
  5. Step 5: Solve for x
    x = 480,569,749.15/26,761.59
  6. Step 6: Final answer
    x = 17,957.44

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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.