Home / 27,611.10-38,102.22-15,035.85

Finding the Fourth Proportional to 27,611.10, 38,102.22 and 15,035.85

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Solution

The fourth proportional to 27,611.10, 38,102.22 and 15,035.85 is: 20,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.10 : 38,102.22 = 15,035.85 : x
  2. Step 2: Convert to fraction form
    27,611.10/38,102.22 = 15,035.85/x
  3. Step 3: Cross multiply
    27,611.10x = 38,102.22 × 15,035.85
  4. Step 4: Simplify right side
    27,611.10x = 572,899,264.59
  5. Step 5: Solve for x
    x = 572,899,264.59/27,611.10
  6. Step 6: Final answer
    x = 20,748.88

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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.