Home / 28,961.35-39,972.89-17,634.58

Finding the Fourth Proportional to 28,961.35, 39,972.89 and 17,634.58

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Solution

The fourth proportional to 28,961.35, 39,972.89 and 17,634.58 is: 24,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.35 : 39,972.89 = 17,634.58 : x
  2. Step 2: Convert to fraction form
    28,961.35/39,972.89 = 17,634.58/x
  3. Step 3: Cross multiply
    28,961.35x = 39,972.89 × 17,634.58
  4. Step 4: Simplify right side
    28,961.35x = 704,905,070.69
  5. Step 5: Solve for x
    x = 704,905,070.69/28,961.35
  6. Step 6: Final answer
    x = 24,339.51

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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.