Home / 28,048.47-38,704.19-15,472.41

Finding the Fourth Proportional to 28,048.47, 38,704.19 and 15,472.41

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Solution

The fourth proportional to 28,048.47, 38,704.19 and 15,472.41 is: 21,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.47 : 38,704.19 = 15,472.41 : x
  2. Step 2: Convert to fraction form
    28,048.47/38,704.19 = 15,472.41/x
  3. Step 3: Cross multiply
    28,048.47x = 38,704.19 × 15,472.41
  4. Step 4: Simplify right side
    28,048.47x = 598,847,096.40
  5. Step 5: Solve for x
    x = 598,847,096.40/28,048.47
  6. Step 6: Final answer
    x = 21,350.44

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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.