Home / 26,631.30-39,954.62-8,619.13

Finding the Fourth Proportional to 26,631.30, 39,954.62 and 8,619.13

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Solution

The fourth proportional to 26,631.30, 39,954.62 and 8,619.13 is: 12,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.30 : 39,954.62 = 8,619.13 : x
  2. Step 2: Convert to fraction form
    26,631.30/39,954.62 = 8,619.13/x
  3. Step 3: Cross multiply
    26,631.30x = 39,954.62 × 8,619.13
  4. Step 4: Simplify right side
    26,631.30x = 344,374,063.88
  5. Step 5: Solve for x
    x = 344,374,063.88/26,631.30
  6. Step 6: Final answer
    x = 12,931.18

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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.