Home / 26,981.20-40,428.60-17,736.40

Finding the Fourth Proportional to 26,981.20, 40,428.60 and 17,736.40

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Solution

The fourth proportional to 26,981.20, 40,428.60 and 17,736.40 is: 26,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.20 : 40,428.60 = 17,736.40 : x
  2. Step 2: Convert to fraction form
    26,981.20/40,428.60 = 17,736.40/x
  3. Step 3: Cross multiply
    26,981.20x = 40,428.60 × 17,736.40
  4. Step 4: Simplify right side
    26,981.20x = 717,057,821.04
  5. Step 5: Solve for x
    x = 717,057,821.04/26,981.20
  6. Step 6: Final answer
    x = 26,576.20

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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.