Home / 25,937.28-38,915.04-12,798.96

Finding the Fourth Proportional to 25,937.28, 38,915.04 and 12,798.96

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Solution

The fourth proportional to 25,937.28, 38,915.04 and 12,798.96 is: 19,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,937.28 : 38,915.04 = 12,798.96 : x
  2. Step 2: Convert to fraction form
    25,937.28/38,915.04 = 12,798.96/x
  3. Step 3: Cross multiply
    25,937.28x = 38,915.04 × 12,798.96
  4. Step 4: Simplify right side
    25,937.28x = 498,072,040.36
  5. Step 5: Solve for x
    x = 498,072,040.36/25,937.28
  6. Step 6: Final answer
    x = 19,202.94

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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.