Home / 26,316.28-39,474.76-8,786.12

Finding the Fourth Proportional to 26,316.28, 39,474.76 and 8,786.12

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Solution

The fourth proportional to 26,316.28, 39,474.76 and 8,786.12 is: 13,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316.28 : 39,474.76 = 8,786.12 : x
  2. Step 2: Convert to fraction form
    26,316.28/39,474.76 = 8,786.12/x
  3. Step 3: Cross multiply
    26,316.28x = 39,474.76 × 8,786.12
  4. Step 4: Simplify right side
    26,316.28x = 346,829,978.33
  5. Step 5: Solve for x
    x = 346,829,978.33/26,316.28
  6. Step 6: Final answer
    x = 13,179.29

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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.