Home / 28,383.50-39,166.27-17,479.90

Finding the Fourth Proportional to 28,383.50, 39,166.27 and 17,479.90

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Solution

The fourth proportional to 28,383.50, 39,166.27 and 17,479.90 is: 24,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.50 : 39,166.27 = 17,479.90 : x
  2. Step 2: Convert to fraction form
    28,383.50/39,166.27 = 17,479.90/x
  3. Step 3: Cross multiply
    28,383.50x = 39,166.27 × 17,479.90
  4. Step 4: Simplify right side
    28,383.50x = 684,622,482.97
  5. Step 5: Solve for x
    x = 684,622,482.97/28,383.50
  6. Step 6: Final answer
    x = 24,120.44

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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.