Home / 25,627.75-35,358.07-20,233.15

Finding the Fourth Proportional to 25,627.75, 35,358.07 and 20,233.15

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Solution

The fourth proportional to 25,627.75, 35,358.07 and 20,233.15 is: 27,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.75 : 35,358.07 = 20,233.15 : x
  2. Step 2: Convert to fraction form
    25,627.75/35,358.07 = 20,233.15/x
  3. Step 3: Cross multiply
    25,627.75x = 35,358.07 × 20,233.15
  4. Step 4: Simplify right side
    25,627.75x = 715,405,134.02
  5. Step 5: Solve for x
    x = 715,405,134.02/25,627.75
  6. Step 6: Final answer
    x = 27,915.25

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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.