Home / 27,209.05-37,550.76-15,879.28

Finding the Fourth Proportional to 27,209.05, 37,550.76 and 15,879.28

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Solution

The fourth proportional to 27,209.05, 37,550.76 and 15,879.28 is: 21,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.05 : 37,550.76 = 15,879.28 : x
  2. Step 2: Convert to fraction form
    27,209.05/37,550.76 = 15,879.28/x
  3. Step 3: Cross multiply
    27,209.05x = 37,550.76 × 15,879.28
  4. Step 4: Simplify right side
    27,209.05x = 596,279,188.83
  5. Step 5: Solve for x
    x = 596,279,188.83/27,209.05
  6. Step 6: Final answer
    x = 21,914.74

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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.