Home / 25,728.29-38,592.74-9,076.64

Finding the Fourth Proportional to 25,728.29, 38,592.74 and 9,076.64

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Solution

The fourth proportional to 25,728.29, 38,592.74 and 9,076.64 is: 13,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.29 : 38,592.74 = 9,076.64 : x
  2. Step 2: Convert to fraction form
    25,728.29/38,592.74 = 9,076.64/x
  3. Step 3: Cross multiply
    25,728.29x = 38,592.74 × 9,076.64
  4. Step 4: Simplify right side
    25,728.29x = 350,292,169.25
  5. Step 5: Solve for x
    x = 350,292,169.25/25,728.29
  6. Step 6: Final answer
    x = 13,615.06

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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.