Home / 28,872.90-39,847.41-17,539.92

Finding the Fourth Proportional to 28,872.90, 39,847.41 and 17,539.92

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Solution

The fourth proportional to 28,872.90, 39,847.41 and 17,539.92 is: 24,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.90 : 39,847.41 = 17,539.92 : x
  2. Step 2: Convert to fraction form
    28,872.90/39,847.41 = 17,539.92/x
  3. Step 3: Cross multiply
    28,872.90x = 39,847.41 × 17,539.92
  4. Step 4: Simplify right side
    28,872.90x = 698,920,383.61
  5. Step 5: Solve for x
    x = 698,920,383.61/28,872.90
  6. Step 6: Final answer
    x = 24,206.80

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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.