Home / 27,809.12-38,364.84-17,180.32

Finding the Fourth Proportional to 27,809.12, 38,364.84 and 17,180.32

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Solution

The fourth proportional to 27,809.12, 38,364.84 and 17,180.32 is: 23,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.12 : 38,364.84 = 17,180.32 : x
  2. Step 2: Convert to fraction form
    27,809.12/38,364.84 = 17,180.32/x
  3. Step 3: Cross multiply
    27,809.12x = 38,364.84 × 17,180.32
  4. Step 4: Simplify right side
    27,809.12x = 659,120,227.95
  5. Step 5: Solve for x
    x = 659,120,227.95/27,809.12
  6. Step 6: Final answer
    x = 23,701.59

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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.