Home / 28,048.22-38,706.54-15,472.97

Finding the Fourth Proportional to 28,048.22, 38,706.54 and 15,472.97

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Solution

The fourth proportional to 28,048.22, 38,706.54 and 15,472.97 is: 21,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.22 : 38,706.54 = 15,472.97 : x
  2. Step 2: Convert to fraction form
    28,048.22/38,706.54 = 15,472.97/x
  3. Step 3: Cross multiply
    28,048.22x = 38,706.54 × 15,472.97
  4. Step 4: Simplify right side
    28,048.22x = 598,904,938.69
  5. Step 5: Solve for x
    x = 598,904,938.69/28,048.22
  6. Step 6: Final answer
    x = 21,352.69

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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.