Home / 27,502.59-41,238.39-8,778.21

Finding the Fourth Proportional to 27,502.59, 41,238.39 and 8,778.21

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Solution

The fourth proportional to 27,502.59, 41,238.39 and 8,778.21 is: 13,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,502.59 : 41,238.39 = 8,778.21 : x
  2. Step 2: Convert to fraction form
    27,502.59/41,238.39 = 8,778.21/x
  3. Step 3: Cross multiply
    27,502.59x = 41,238.39 × 8,778.21
  4. Step 4: Simplify right side
    27,502.59x = 361,999,247.48
  5. Step 5: Solve for x
    x = 361,999,247.48/27,502.59
  6. Step 6: Final answer
    x = 13,162.37

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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.