Home / 27,420.20-37,839.58-15,482.83

Finding the Fourth Proportional to 27,420.20, 37,839.58 and 15,482.83

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Solution

The fourth proportional to 27,420.20, 37,839.58 and 15,482.83 is: 21,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.20 : 37,839.58 = 15,482.83 : x
  2. Step 2: Convert to fraction form
    27,420.20/37,839.58 = 15,482.83/x
  3. Step 3: Cross multiply
    27,420.20x = 37,839.58 × 15,482.83
  4. Step 4: Simplify right side
    27,420.20x = 585,863,517.80
  5. Step 5: Solve for x
    x = 585,863,517.80/27,420.20
  6. Step 6: Final answer
    x = 21,366.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.