Home / 25,458.68-35,131.56-14,128.04

Finding the Fourth Proportional to 25,458.68, 35,131.56 and 14,128.04

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Solution

The fourth proportional to 25,458.68, 35,131.56 and 14,128.04 is: 19,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.68 : 35,131.56 = 14,128.04 : x
  2. Step 2: Convert to fraction form
    25,458.68/35,131.56 = 14,128.04/x
  3. Step 3: Cross multiply
    25,458.68x = 35,131.56 × 14,128.04
  4. Step 4: Simplify right side
    25,458.68x = 496,340,084.94
  5. Step 5: Solve for x
    x = 496,340,084.94/25,458.68
  6. Step 6: Final answer
    x = 19,495.91

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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.