Home / 27,348.46-40,981.68-21,099.11

Finding the Fourth Proportional to 27,348.46, 40,981.68 and 21,099.11

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Solution

The fourth proportional to 27,348.46, 40,981.68 and 21,099.11 is: 31,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,348.46 : 40,981.68 = 21,099.11 : x
  2. Step 2: Convert to fraction form
    27,348.46/40,981.68 = 21,099.11/x
  3. Step 3: Cross multiply
    27,348.46x = 40,981.68 × 21,099.11
  4. Step 4: Simplify right side
    27,348.46x = 864,676,769.40
  5. Step 5: Solve for x
    x = 864,676,769.40/27,348.46
  6. Step 6: Final answer
    x = 31,617.02

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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.