Home / 28,644.98-39,530.70-16,709.12

Finding the Fourth Proportional to 28,644.98, 39,530.70 and 16,709.12

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Solution

The fourth proportional to 28,644.98, 39,530.70 and 16,709.12 is: 23,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.98 : 39,530.70 = 16,709.12 : x
  2. Step 2: Convert to fraction form
    28,644.98/39,530.70 = 16,709.12/x
  3. Step 3: Cross multiply
    28,644.98x = 39,530.70 × 16,709.12
  4. Step 4: Simplify right side
    28,644.98x = 660,523,160.57
  5. Step 5: Solve for x
    x = 660,523,160.57/28,644.98
  6. Step 6: Final answer
    x = 23,058.95

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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.