Home / 20,264.75-30,398.65-5,473.45

Finding the Fourth Proportional to 20,264.75, 30,398.65 and 5,473.45

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Solution

The fourth proportional to 20,264.75, 30,398.65 and 5,473.45 is: 8,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.75 : 30,398.65 = 5,473.45 : x
  2. Step 2: Convert to fraction form
    20,264.75/30,398.65 = 5,473.45/x
  3. Step 3: Cross multiply
    20,264.75x = 30,398.65 × 5,473.45
  4. Step 4: Simplify right side
    20,264.75x = 166,385,401.16
  5. Step 5: Solve for x
    x = 166,385,401.16/20,264.75
  6. Step 6: Final answer
    x = 8,210.58

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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.