Home / 25,140-34,693.20-13,963.04

Finding the Fourth Proportional to 25,140, 34,693.20 and 13,963.04

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Solution

The fourth proportional to 25,140, 34,693.20 and 13,963.04 is: 19,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140 : 34,693.20 = 13,963.04 : x
  2. Step 2: Convert to fraction form
    25,140/34,693.20 = 13,963.04/x
  3. Step 3: Cross multiply
    25,140x = 34,693.20 × 13,963.04
  4. Step 4: Simplify right side
    25,140x = 484,422,539.33
  5. Step 5: Solve for x
    x = 484,422,539.33/25,140
  6. Step 6: Final answer
    x = 19,269.00

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Why These Related Problems?

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