Home / 17,631.60-26,429.88-8,839.68

Finding the Fourth Proportional to 17,631.60, 26,429.88 and 8,839.68

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Solution

The fourth proportional to 17,631.60, 26,429.88 and 8,839.68 is: 13,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.60 : 26,429.88 = 8,839.68 : x
  2. Step 2: Convert to fraction form
    17,631.60/26,429.88 = 8,839.68/x
  3. Step 3: Cross multiply
    17,631.60x = 26,429.88 × 8,839.68
  4. Step 4: Simplify right side
    17,631.60x = 233,631,681.64
  5. Step 5: Solve for x
    x = 233,631,681.64/17,631.60
  6. Step 6: Final answer
    x = 13,250.74

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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.