Home / 27,678.52-41,550.66-21,839.32

Finding the Fourth Proportional to 27,678.52, 41,550.66 and 21,839.32

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Solution

The fourth proportional to 27,678.52, 41,550.66 and 21,839.32 is: 32,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,678.52 : 41,550.66 = 21,839.32 : x
  2. Step 2: Convert to fraction form
    27,678.52/41,550.66 = 21,839.32/x
  3. Step 3: Cross multiply
    27,678.52x = 41,550.66 × 21,839.32
  4. Step 4: Simplify right side
    27,678.52x = 907,438,159.95
  5. Step 5: Solve for x
    x = 907,438,159.95/27,678.52
  6. Step 6: Final answer
    x = 32,784.92

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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.