Home / 26,013.68-39,024.32-8,479.20

Finding the Fourth Proportional to 26,013.68, 39,024.32 and 8,479.20

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Solution

The fourth proportional to 26,013.68, 39,024.32 and 8,479.20 is: 12,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.68 : 39,024.32 = 8,479.20 : x
  2. Step 2: Convert to fraction form
    26,013.68/39,024.32 = 8,479.20/x
  3. Step 3: Cross multiply
    26,013.68x = 39,024.32 × 8,479.20
  4. Step 4: Simplify right side
    26,013.68x = 330,895,014.14
  5. Step 5: Solve for x
    x = 330,895,014.14/26,013.68
  6. Step 6: Final answer
    x = 12,720.04

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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.