Home / 27,320.66-40,966.88-12,516.89

Finding the Fourth Proportional to 27,320.66, 40,966.88 and 12,516.89

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Solution

The fourth proportional to 27,320.66, 40,966.88 and 12,516.89 is: 18,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.66 : 40,966.88 = 12,516.89 : x
  2. Step 2: Convert to fraction form
    27,320.66/40,966.88 = 12,516.89/x
  3. Step 3: Cross multiply
    27,320.66x = 40,966.88 × 12,516.89
  4. Step 4: Simplify right side
    27,320.66x = 512,777,757.06
  5. Step 5: Solve for x
    x = 512,777,757.06/27,320.66
  6. Step 6: Final answer
    x = 18,768.87

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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.