Home / 36,284.39-54,425.16-9,988.41

Finding the Fourth Proportional to 36,284.39, 54,425.16 and 9,988.41

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Solution

The fourth proportional to 36,284.39, 54,425.16 and 9,988.41 is: 14,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,284.39 : 54,425.16 = 9,988.41 : x
  2. Step 2: Convert to fraction form
    36,284.39/54,425.16 = 9,988.41/x
  3. Step 3: Cross multiply
    36,284.39x = 54,425.16 × 9,988.41
  4. Step 4: Simplify right side
    36,284.39x = 543,620,812.40
  5. Step 5: Solve for x
    x = 543,620,812.40/36,284.39
  6. Step 6: Final answer
    x = 14,982.22

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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.