Home / 28,102.16-38,799.06-18,034.94

Finding the Fourth Proportional to 28,102.16, 38,799.06 and 18,034.94

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Solution

The fourth proportional to 28,102.16, 38,799.06 and 18,034.94 is: 24,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,102.16 : 38,799.06 = 18,034.94 : x
  2. Step 2: Convert to fraction form
    28,102.16/38,799.06 = 18,034.94/x
  3. Step 3: Cross multiply
    28,102.16x = 38,799.06 × 18,034.94
  4. Step 4: Simplify right side
    28,102.16x = 699,738,719.16
  5. Step 5: Solve for x
    x = 699,738,719.16/28,102.16
  6. Step 6: Final answer
    x = 24,899.82

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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.