Home / 28,733.47-39,651.92-16,157.95

Finding the Fourth Proportional to 28,733.47, 39,651.92 and 16,157.95

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Solution

The fourth proportional to 28,733.47, 39,651.92 and 16,157.95 is: 22,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.47 : 39,651.92 = 16,157.95 : x
  2. Step 2: Convert to fraction form
    28,733.47/39,651.92 = 16,157.95/x
  3. Step 3: Cross multiply
    28,733.47x = 39,651.92 × 16,157.95
  4. Step 4: Simplify right side
    28,733.47x = 640,693,582.90
  5. Step 5: Solve for x
    x = 640,693,582.90/28,733.47
  6. Step 6: Final answer
    x = 22,297.82

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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.