Home / 26,713.04-39,995.52-13,500.80

Finding the Fourth Proportional to 26,713.04, 39,995.52 and 13,500.80

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Solution

The fourth proportional to 26,713.04, 39,995.52 and 13,500.80 is: 20,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,713.04 : 39,995.52 = 13,500.80 : x
  2. Step 2: Convert to fraction form
    26,713.04/39,995.52 = 13,500.80/x
  3. Step 3: Cross multiply
    26,713.04x = 39,995.52 × 13,500.80
  4. Step 4: Simplify right side
    26,713.04x = 539,971,516.42
  5. Step 5: Solve for x
    x = 539,971,516.42/26,713.04
  6. Step 6: Final answer
    x = 20,213.78

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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.