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Finding the Fourth Proportional to 52,915.50, 79,373.25 and 15,979.50

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Solution

The fourth proportional to 52,915.50, 79,373.25 and 15,979.50 is: 23,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,915.50 : 79,373.25 = 15,979.50 : x
  2. Step 2: Convert to fraction form
    52,915.50/79,373.25 = 15,979.50/x
  3. Step 3: Cross multiply
    52,915.50x = 79,373.25 × 15,979.50
  4. Step 4: Simplify right side
    52,915.50x = 1,268,344,848.38
  5. Step 5: Solve for x
    x = 1,268,344,848.38/52,915.50
  6. Step 6: Final answer
    x = 23,969.25

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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.