Home / 28,204.62-42,287.49-13,401.06

Finding the Fourth Proportional to 28,204.62, 42,287.49 and 13,401.06

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Solution

The fourth proportional to 28,204.62, 42,287.49 and 13,401.06 is: 20,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.62 : 42,287.49 = 13,401.06 : x
  2. Step 2: Convert to fraction form
    28,204.62/42,287.49 = 13,401.06/x
  3. Step 3: Cross multiply
    28,204.62x = 42,287.49 × 13,401.06
  4. Step 4: Simplify right side
    28,204.62x = 566,697,190.74
  5. Step 5: Solve for x
    x = 566,697,190.74/28,204.62
  6. Step 6: Final answer
    x = 20,092.35

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1.5x scale

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.