Home / 27,335.25-40,988.88-17,980.56

Finding the Fourth Proportional to 27,335.25, 40,988.88 and 17,980.56

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Solution

The fourth proportional to 27,335.25, 40,988.88 and 17,980.56 is: 26,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.25 : 40,988.88 = 17,980.56 : x
  2. Step 2: Convert to fraction form
    27,335.25/40,988.88 = 17,980.56/x
  3. Step 3: Cross multiply
    27,335.25x = 40,988.88 × 17,980.56
  4. Step 4: Simplify right side
    27,335.25x = 737,003,016.17
  5. Step 5: Solve for x
    x = 737,003,016.17/27,335.25
  6. Step 6: Final answer
    x = 26,961.63

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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.