Home / 28,048.44-38,704.15-15,472.38

Finding the Fourth Proportional to 28,048.44, 38,704.15 and 15,472.38

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Solution

The fourth proportional to 28,048.44, 38,704.15 and 15,472.38 is: 21,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.44 : 38,704.15 = 15,472.38 : x
  2. Step 2: Convert to fraction form
    28,048.44/38,704.15 = 15,472.38/x
  3. Step 3: Cross multiply
    28,048.44x = 38,704.15 × 15,472.38
  4. Step 4: Simplify right side
    28,048.44x = 598,845,084.18
  5. Step 5: Solve for x
    x = 598,845,084.18/28,048.44
  6. Step 6: Final answer
    x = 21,350.39

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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.