Home / 25,987.06-38,957.37-10,188.42

Finding the Fourth Proportional to 25,987.06, 38,957.37 and 10,188.42

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Solution

The fourth proportional to 25,987.06, 38,957.37 and 10,188.42 is: 15,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987.06 : 38,957.37 = 10,188.42 : x
  2. Step 2: Convert to fraction form
    25,987.06/38,957.37 = 10,188.42/x
  3. Step 3: Cross multiply
    25,987.06x = 38,957.37 × 10,188.42
  4. Step 4: Simplify right side
    25,987.06x = 396,914,047.66
  5. Step 5: Solve for x
    x = 396,914,047.66/25,987.06
  6. Step 6: Final answer
    x = 15,273.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.