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Finding the Fourth Proportional to 25,608.96, 38,393.28 and 10,025.28

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Solution

The fourth proportional to 25,608.96, 38,393.28 and 10,025.28 is: 15,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.96 : 38,393.28 = 10,025.28 : x
  2. Step 2: Convert to fraction form
    25,608.96/38,393.28 = 10,025.28/x
  3. Step 3: Cross multiply
    25,608.96x = 38,393.28 × 10,025.28
  4. Step 4: Simplify right side
    25,608.96x = 384,903,382.12
  5. Step 5: Solve for x
    x = 384,903,382.12/25,608.96
  6. Step 6: Final answer
    x = 15,030.03

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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.