Home / 27,965.60-38,592.02-15,218.33

Finding the Fourth Proportional to 27,965.60, 38,592.02 and 15,218.33

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Solution

The fourth proportional to 27,965.60, 38,592.02 and 15,218.33 is: 21,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.60 : 38,592.02 = 15,218.33 : x
  2. Step 2: Convert to fraction form
    27,965.60/38,592.02 = 15,218.33/x
  3. Step 3: Cross multiply
    27,965.60x = 38,592.02 × 15,218.33
  4. Step 4: Simplify right side
    27,965.60x = 587,306,230.25
  5. Step 5: Solve for x
    x = 587,306,230.25/27,965.60
  6. Step 6: Final answer
    x = 21,001.03

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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.