Home / 27,172.91-40,754.18-8,453.17

Finding the Fourth Proportional to 27,172.91, 40,754.18 and 8,453.17

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Solution

The fourth proportional to 27,172.91, 40,754.18 and 8,453.17 is: 12,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.91 : 40,754.18 = 8,453.17 : x
  2. Step 2: Convert to fraction form
    27,172.91/40,754.18 = 8,453.17/x
  3. Step 3: Cross multiply
    27,172.91x = 40,754.18 × 8,453.17
  4. Step 4: Simplify right side
    27,172.91x = 344,502,081.70
  5. Step 5: Solve for x
    x = 344,502,081.70/27,172.91
  6. Step 6: Final answer
    x = 12,678.15

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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.