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Finding the Fourth Proportional to 25,602, 38,420.30 and 8,962.19

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Solution

The fourth proportional to 25,602, 38,420.30 and 8,962.19 is: 13,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602 : 38,420.30 = 8,962.19 : x
  2. Step 2: Convert to fraction form
    25,602/38,420.30 = 8,962.19/x
  3. Step 3: Cross multiply
    25,602x = 38,420.30 × 8,962.19
  4. Step 4: Simplify right side
    25,602x = 344,330,028.46
  5. Step 5: Solve for x
    x = 344,330,028.46/25,602
  6. Step 6: Final answer
    x = 13,449.34

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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.