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Finding the Fourth Proportional to 25,913.52, 38,869.74 and 7,445.52

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Solution

The fourth proportional to 25,913.52, 38,869.74 and 7,445.52 is: 11,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.52 : 38,869.74 = 7,445.52 : x
  2. Step 2: Convert to fraction form
    25,913.52/38,869.74 = 7,445.52/x
  3. Step 3: Cross multiply
    25,913.52x = 38,869.74 × 7,445.52
  4. Step 4: Simplify right side
    25,913.52x = 289,405,426.56
  5. Step 5: Solve for x
    x = 289,405,426.56/25,913.52
  6. Step 6: Final answer
    x = 11,168.12

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