Home / 27,205.38-37,518.32-18,135.95

Finding the Fourth Proportional to 27,205.38, 37,518.32 and 18,135.95

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Solution

The fourth proportional to 27,205.38, 37,518.32 and 18,135.95 is: 25,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,205.38 : 37,518.32 = 18,135.95 : x
  2. Step 2: Convert to fraction form
    27,205.38/37,518.32 = 18,135.95/x
  3. Step 3: Cross multiply
    27,205.38x = 37,518.32 × 18,135.95
  4. Step 4: Simplify right side
    27,205.38x = 680,430,233.35
  5. Step 5: Solve for x
    x = 680,430,233.35/27,205.38
  6. Step 6: Final answer
    x = 25,010.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.