Home / 28,961.32-39,972.86-17,634.56

Finding the Fourth Proportional to 28,961.32, 39,972.86 and 17,634.56

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Solution

The fourth proportional to 28,961.32, 39,972.86 and 17,634.56 is: 24,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.32 : 39,972.86 = 17,634.56 : x
  2. Step 2: Convert to fraction form
    28,961.32/39,972.86 = 17,634.56/x
  3. Step 3: Cross multiply
    28,961.32x = 39,972.86 × 17,634.56
  4. Step 4: Simplify right side
    28,961.32x = 704,903,510.00
  5. Step 5: Solve for x
    x = 704,903,510.00/28,961.32
  6. Step 6: Final answer
    x = 24,339.48

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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.