Home / 27,877.44-38,470.02-15,130.08

Finding the Fourth Proportional to 27,877.44, 38,470.02 and 15,130.08

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Solution

The fourth proportional to 27,877.44, 38,470.02 and 15,130.08 is: 20,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.44 : 38,470.02 = 15,130.08 : x
  2. Step 2: Convert to fraction form
    27,877.44/38,470.02 = 15,130.08/x
  3. Step 3: Cross multiply
    27,877.44x = 38,470.02 × 15,130.08
  4. Step 4: Simplify right side
    27,877.44x = 582,054,480.20
  5. Step 5: Solve for x
    x = 582,054,480.20/27,877.44
  6. Step 6: Final answer
    x = 20,879.05

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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.