Home / 28,094.38-38,770.24-15,519.94

Finding the Fourth Proportional to 28,094.38, 38,770.24 and 15,519.94

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Solution

The fourth proportional to 28,094.38, 38,770.24 and 15,519.94 is: 21,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.38 : 38,770.24 = 15,519.94 : x
  2. Step 2: Convert to fraction form
    28,094.38/38,770.24 = 15,519.94/x
  3. Step 3: Cross multiply
    28,094.38x = 38,770.24 × 15,519.94
  4. Step 4: Simplify right side
    28,094.38x = 601,711,798.59
  5. Step 5: Solve for x
    x = 601,711,798.59/28,094.38
  6. Step 6: Final answer
    x = 21,417.51

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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.