Home / 17,990.17-26,982.21-4,839.62

Finding the Fourth Proportional to 17,990.17, 26,982.21 and 4,839.62

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Solution

The fourth proportional to 17,990.17, 26,982.21 and 4,839.62 is: 7,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.17 : 26,982.21 = 4,839.62 : x
  2. Step 2: Convert to fraction form
    17,990.17/26,982.21 = 4,839.62/x
  3. Step 3: Cross multiply
    17,990.17x = 26,982.21 × 4,839.62
  4. Step 4: Simplify right side
    17,990.17x = 130,583,526.40
  5. Step 5: Solve for x
    x = 130,583,526.40/17,990.17
  6. Step 6: Final answer
    x = 7,258.61

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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.