Home / 17,988.38-26,982.48-4,839.68

Finding the Fourth Proportional to 17,988.38, 26,982.48 and 4,839.68

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Solution

The fourth proportional to 17,988.38, 26,982.48 and 4,839.68 is: 7,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.38 : 26,982.48 = 4,839.68 : x
  2. Step 2: Convert to fraction form
    17,988.38/26,982.48 = 4,839.68/x
  3. Step 3: Cross multiply
    17,988.38x = 26,982.48 × 4,839.68
  4. Step 4: Simplify right side
    17,988.38x = 130,586,568.81
  5. Step 5: Solve for x
    x = 130,586,568.81/17,988.38
  6. Step 6: Final answer
    x = 7,259.50

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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.