Home / 26,607.04-39,909.12-8,139.04

Finding the Fourth Proportional to 26,607.04, 39,909.12 and 8,139.04

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Solution

The fourth proportional to 26,607.04, 39,909.12 and 8,139.04 is: 12,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.04 : 39,909.12 = 8,139.04 : x
  2. Step 2: Convert to fraction form
    26,607.04/39,909.12 = 8,139.04/x
  3. Step 3: Cross multiply
    26,607.04x = 39,909.12 × 8,139.04
  4. Step 4: Simplify right side
    26,607.04x = 324,821,924.04
  5. Step 5: Solve for x
    x = 324,821,924.04/26,607.04
  6. Step 6: Final answer
    x = 12,208.12

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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.