Home / 26,982.20-40,475.79-12,948.95

Finding the Fourth Proportional to 26,982.20, 40,475.79 and 12,948.95

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Solution

The fourth proportional to 26,982.20, 40,475.79 and 12,948.95 is: 19,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,982.20 : 40,475.79 = 12,948.95 : x
  2. Step 2: Convert to fraction form
    26,982.20/40,475.79 = 12,948.95/x
  3. Step 3: Cross multiply
    26,982.20x = 40,475.79 × 12,948.95
  4. Step 4: Simplify right side
    26,982.20x = 524,118,778.54
  5. Step 5: Solve for x
    x = 524,118,778.54/26,982.20
  6. Step 6: Final answer
    x = 19,424.62

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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.