Home / 26,981.54-40,490.28-9,451.34

Finding the Fourth Proportional to 26,981.54, 40,490.28 and 9,451.34

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Solution

The fourth proportional to 26,981.54, 40,490.28 and 9,451.34 is: 14,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.54 : 40,490.28 = 9,451.34 : x
  2. Step 2: Convert to fraction form
    26,981.54/40,490.28 = 9,451.34/x
  3. Step 3: Cross multiply
    26,981.54x = 40,490.28 × 9,451.34
  4. Step 4: Simplify right side
    26,981.54x = 382,687,402.98
  5. Step 5: Solve for x
    x = 382,687,402.98/26,981.54
  6. Step 6: Final answer
    x = 14,183.30

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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.