Home / 27,766.44-38,316.90-15,191.08

Finding the Fourth Proportional to 27,766.44, 38,316.90 and 15,191.08

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Solution

The fourth proportional to 27,766.44, 38,316.90 and 15,191.08 is: 20,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.44 : 38,316.90 = 15,191.08 : x
  2. Step 2: Convert to fraction form
    27,766.44/38,316.90 = 15,191.08/x
  3. Step 3: Cross multiply
    27,766.44x = 38,316.90 × 15,191.08
  4. Step 4: Simplify right side
    27,766.44x = 582,075,093.25
  5. Step 5: Solve for x
    x = 582,075,093.25/27,766.44
  6. Step 6: Final answer
    x = 20,963.26

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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.