Home / 38,732.16-58,100.40-11,028

Finding the Fourth Proportional to 38,732.16, 58,100.40 and 11,028

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Solution

The fourth proportional to 38,732.16, 58,100.40 and 11,028 is: 16,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732.16 : 58,100.40 = 11,028 : x
  2. Step 2: Convert to fraction form
    38,732.16/58,100.40 = 11,028/x
  3. Step 3: Cross multiply
    38,732.16x = 58,100.40 × 11,028
  4. Step 4: Simplify right side
    38,732.16x = 640,731,211.20
  5. Step 5: Solve for x
    x = 640,731,211.20/38,732.16
  6. Step 6: Final answer
    x = 16,542.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.