Home / 19,579.80-27,034.17-12,036.25

Finding the Fourth Proportional to 19,579.80, 27,034.17 and 12,036.25

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Solution

The fourth proportional to 19,579.80, 27,034.17 and 12,036.25 is: 16,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.80 : 27,034.17 = 12,036.25 : x
  2. Step 2: Convert to fraction form
    19,579.80/27,034.17 = 12,036.25/x
  3. Step 3: Cross multiply
    19,579.80x = 27,034.17 × 12,036.25
  4. Step 4: Simplify right side
    19,579.80x = 325,389,882.18
  5. Step 5: Solve for x
    x = 325,389,882.18/19,579.80
  6. Step 6: Final answer
    x = 16,618.65

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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.