Home / 25,156.57-34,714.39-13,825.83

Finding the Fourth Proportional to 25,156.57, 34,714.39 and 13,825.83

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Solution

The fourth proportional to 25,156.57, 34,714.39 and 13,825.83 is: 19,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.57 : 34,714.39 = 13,825.83 : x
  2. Step 2: Convert to fraction form
    25,156.57/34,714.39 = 13,825.83/x
  3. Step 3: Cross multiply
    25,156.57x = 34,714.39 × 13,825.83
  4. Step 4: Simplify right side
    25,156.57x = 479,955,254.69
  5. Step 5: Solve for x
    x = 479,955,254.69/25,156.57
  6. Step 6: Final answer
    x = 19,078.72

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1.5x scale

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.