Home / 27,700.05-38,229.28-15,600.64

Finding the Fourth Proportional to 27,700.05, 38,229.28 and 15,600.64

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Solution

The fourth proportional to 27,700.05, 38,229.28 and 15,600.64 is: 21,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.05 : 38,229.28 = 15,600.64 : x
  2. Step 2: Convert to fraction form
    27,700.05/38,229.28 = 15,600.64/x
  3. Step 3: Cross multiply
    27,700.05x = 38,229.28 × 15,600.64
  4. Step 4: Simplify right side
    27,700.05x = 596,401,234.74
  5. Step 5: Solve for x
    x = 596,401,234.74/27,700.05
  6. Step 6: Final answer
    x = 21,530.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.