Home / 28,734.47-39,653.30-16,158.95

Finding the Fourth Proportional to 28,734.47, 39,653.30 and 16,158.95

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Solution

The fourth proportional to 28,734.47, 39,653.30 and 16,158.95 is: 22,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.47 : 39,653.30 = 16,158.95 : x
  2. Step 2: Convert to fraction form
    28,734.47/39,653.30 = 16,158.95/x
  3. Step 3: Cross multiply
    28,734.47x = 39,653.30 × 16,158.95
  4. Step 4: Simplify right side
    28,734.47x = 640,755,692.04
  5. Step 5: Solve for x
    x = 640,755,692.04/28,734.47
  6. Step 6: Final answer
    x = 22,299.20

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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.