Home / 20,552.49-30,828.02-8,703

Finding the Fourth Proportional to 20,552.49, 30,828.02 and 8,703

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Solution

The fourth proportional to 20,552.49, 30,828.02 and 8,703 is: 13,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.49 : 30,828.02 = 8,703 : x
  2. Step 2: Convert to fraction form
    20,552.49/30,828.02 = 8,703/x
  3. Step 3: Cross multiply
    20,552.49x = 30,828.02 × 8,703
  4. Step 4: Simplify right side
    20,552.49x = 268,296,214.55
  5. Step 5: Solve for x
    x = 268,296,214.55/20,552.49
  6. Step 6: Final answer
    x = 13,054.20

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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.