Home / 19,148.29-28,722.51-5,821.43

Finding the Fourth Proportional to 19,148.29, 28,722.51 and 5,821.43

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Solution

The fourth proportional to 19,148.29, 28,722.51 and 5,821.43 is: 8,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.29 : 28,722.51 = 5,821.43 : x
  2. Step 2: Convert to fraction form
    19,148.29/28,722.51 = 5,821.43/x
  3. Step 3: Cross multiply
    19,148.29x = 28,722.51 × 5,821.43
  4. Step 4: Simplify right side
    19,148.29x = 167,205,937.78
  5. Step 5: Solve for x
    x = 167,205,937.78/19,148.29
  6. Step 6: Final answer
    x = 8,732.16

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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.