Home / 28,302.80-39,058.60-16,974.12

Finding the Fourth Proportional to 28,302.80, 39,058.60 and 16,974.12

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Solution

The fourth proportional to 28,302.80, 39,058.60 and 16,974.12 is: 23,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.80 : 39,058.60 = 16,974.12 : x
  2. Step 2: Convert to fraction form
    28,302.80/39,058.60 = 16,974.12/x
  3. Step 3: Cross multiply
    28,302.80x = 39,058.60 × 16,974.12
  4. Step 4: Simplify right side
    28,302.80x = 662,985,363.43
  5. Step 5: Solve for x
    x = 662,985,363.43/28,302.80
  6. Step 6: Final answer
    x = 23,424.73

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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.