Home / 25,350-38,025.54-7,821.36

Finding the Fourth Proportional to 25,350, 38,025.54 and 7,821.36

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Solution

The fourth proportional to 25,350, 38,025.54 and 7,821.36 is: 11,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,350 : 38,025.54 = 7,821.36 : x
  2. Step 2: Convert to fraction form
    25,350/38,025.54 = 7,821.36/x
  3. Step 3: Cross multiply
    25,350x = 38,025.54 × 7,821.36
  4. Step 4: Simplify right side
    25,350x = 297,411,437.53
  5. Step 5: Solve for x
    x = 297,411,437.53/25,350
  6. Step 6: Final answer
    x = 11,732.21

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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.