Home / 25,120.12-34,664.25-15,053.80

Finding the Fourth Proportional to 25,120.12, 34,664.25 and 15,053.80

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Solution

The fourth proportional to 25,120.12, 34,664.25 and 15,053.80 is: 20,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.12 : 34,664.25 = 15,053.80 : x
  2. Step 2: Convert to fraction form
    25,120.12/34,664.25 = 15,053.80/x
  3. Step 3: Cross multiply
    25,120.12x = 34,664.25 × 15,053.80
  4. Step 4: Simplify right side
    25,120.12x = 521,828,686.65
  5. Step 5: Solve for x
    x = 521,828,686.65/25,120.12
  6. Step 6: Final answer
    x = 20,773.34

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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.