Home / 26,149.65-39,162.51-19,902.12

Finding the Fourth Proportional to 26,149.65, 39,162.51 and 19,902.12

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Solution

The fourth proportional to 26,149.65, 39,162.51 and 19,902.12 is: 29,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.65 : 39,162.51 = 19,902.12 : x
  2. Step 2: Convert to fraction form
    26,149.65/39,162.51 = 19,902.12/x
  3. Step 3: Cross multiply
    26,149.65x = 39,162.51 × 19,902.12
  4. Step 4: Simplify right side
    26,149.65x = 779,416,973.52
  5. Step 5: Solve for x
    x = 779,416,973.52/26,149.65
  6. Step 6: Final answer
    x = 29,806.02

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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.