Home / 28,517.03-39,355.94-16,579.61

Finding the Fourth Proportional to 28,517.03, 39,355.94 and 16,579.61

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Solution

The fourth proportional to 28,517.03, 39,355.94 and 16,579.61 is: 22,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517.03 : 39,355.94 = 16,579.61 : x
  2. Step 2: Convert to fraction form
    28,517.03/39,355.94 = 16,579.61/x
  3. Step 3: Cross multiply
    28,517.03x = 39,355.94 × 16,579.61
  4. Step 4: Simplify right side
    28,517.03x = 652,506,053.49
  5. Step 5: Solve for x
    x = 652,506,053.49/28,517.03
  6. Step 6: Final answer
    x = 22,881.28

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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.