Home / 21,763.62-32,549.76-18,949.68

Finding the Fourth Proportional to 21,763.62, 32,549.76 and 18,949.68

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Solution

The fourth proportional to 21,763.62, 32,549.76 and 18,949.68 is: 28,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.62 : 32,549.76 = 18,949.68 : x
  2. Step 2: Convert to fraction form
    21,763.62/32,549.76 = 18,949.68/x
  3. Step 3: Cross multiply
    21,763.62x = 32,549.76 × 18,949.68
  4. Step 4: Simplify right side
    21,763.62x = 616,807,536.08
  5. Step 5: Solve for x
    x = 616,807,536.08/21,763.62
  6. Step 6: Final answer
    x = 28,341.22

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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.