Home / 26,890.25-40,337.51-8,171.92

Finding the Fourth Proportional to 26,890.25, 40,337.51 and 8,171.92

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Solution

The fourth proportional to 26,890.25, 40,337.51 and 8,171.92 is: 12,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.25 : 40,337.51 = 8,171.92 : x
  2. Step 2: Convert to fraction form
    26,890.25/40,337.51 = 8,171.92/x
  3. Step 3: Cross multiply
    26,890.25x = 40,337.51 × 8,171.92
  4. Step 4: Simplify right side
    26,890.25x = 329,634,763.02
  5. Step 5: Solve for x
    x = 329,634,763.02/26,890.25
  6. Step 6: Final answer
    x = 12,258.53

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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.