Home / 27,927.60-38,538.72-15,352.08

Finding the Fourth Proportional to 27,927.60, 38,538.72 and 15,352.08

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Solution

The fourth proportional to 27,927.60, 38,538.72 and 15,352.08 is: 21,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.60 : 38,538.72 = 15,352.08 : x
  2. Step 2: Convert to fraction form
    27,927.60/38,538.72 = 15,352.08/x
  3. Step 3: Cross multiply
    27,927.60x = 38,538.72 × 15,352.08
  4. Step 4: Simplify right side
    27,927.60x = 591,649,512.54
  5. Step 5: Solve for x
    x = 591,649,512.54/27,927.60
  6. Step 6: Final answer
    x = 21,185.12

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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.