Home / 27,218.44-37,559.40-15,279.49

Finding the Fourth Proportional to 27,218.44, 37,559.40 and 15,279.49

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Solution

The fourth proportional to 27,218.44, 37,559.40 and 15,279.49 is: 21,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.44 : 37,559.40 = 15,279.49 : x
  2. Step 2: Convert to fraction form
    27,218.44/37,559.40 = 15,279.49/x
  3. Step 3: Cross multiply
    27,218.44x = 37,559.40 × 15,279.49
  4. Step 4: Simplify right side
    27,218.44x = 573,888,476.71
  5. Step 5: Solve for x
    x = 573,888,476.71/27,218.44
  6. Step 6: Final answer
    x = 21,084.55

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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.