Home / 25,098.42-34,650.82-15,679.74

Finding the Fourth Proportional to 25,098.42, 34,650.82 and 15,679.74

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Solution

The fourth proportional to 25,098.42, 34,650.82 and 15,679.74 is: 21,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,098.42 : 34,650.82 = 15,679.74 : x
  2. Step 2: Convert to fraction form
    25,098.42/34,650.82 = 15,679.74/x
  3. Step 3: Cross multiply
    25,098.42x = 34,650.82 × 15,679.74
  4. Step 4: Simplify right side
    25,098.42x = 543,315,848.39
  5. Step 5: Solve for x
    x = 543,315,848.39/25,098.42
  6. Step 6: Final answer
    x = 21,647.41

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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.