Home / 26,778.39-36,969.11-18,293.23

Finding the Fourth Proportional to 26,778.39, 36,969.11 and 18,293.23

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Solution

The fourth proportional to 26,778.39, 36,969.11 and 18,293.23 is: 25,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.39 : 36,969.11 = 18,293.23 : x
  2. Step 2: Convert to fraction form
    26,778.39/36,969.11 = 18,293.23/x
  3. Step 3: Cross multiply
    26,778.39x = 36,969.11 × 18,293.23
  4. Step 4: Simplify right side
    26,778.39x = 676,284,432.13
  5. Step 5: Solve for x
    x = 676,284,432.13/26,778.39
  6. Step 6: Final answer
    x = 25,254.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.