Home / 25,465.78-35,142.23-14,134.61

Finding the Fourth Proportional to 25,465.78, 35,142.23 and 14,134.61

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Solution

The fourth proportional to 25,465.78, 35,142.23 and 14,134.61 is: 19,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.78 : 35,142.23 = 14,134.61 : x
  2. Step 2: Convert to fraction form
    25,465.78/35,142.23 = 14,134.61/x
  3. Step 3: Cross multiply
    25,465.78x = 35,142.23 × 14,134.61
  4. Step 4: Simplify right side
    25,465.78x = 496,721,644.91
  5. Step 5: Solve for x
    x = 496,721,644.91/25,465.78
  6. Step 6: Final answer
    x = 19,505.46

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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.