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Finding the Fourth Proportional to 25,493.04, 35,178.03 and 15,423.12

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Solution

The fourth proportional to 25,493.04, 35,178.03 and 15,423.12 is: 21,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,493.04 : 35,178.03 = 15,423.12 : x
  2. Step 2: Convert to fraction form
    25,493.04/35,178.03 = 15,423.12/x
  3. Step 3: Cross multiply
    25,493.04x = 35,178.03 × 15,423.12
  4. Step 4: Simplify right side
    25,493.04x = 542,554,978.05
  5. Step 5: Solve for x
    x = 542,554,978.05/25,493.04
  6. Step 6: Final answer
    x = 21,282.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.