Home / 28,336.19-39,101.51-16,400.26

Finding the Fourth Proportional to 28,336.19, 39,101.51 and 16,400.26

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Solution

The fourth proportional to 28,336.19, 39,101.51 and 16,400.26 is: 22,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.19 : 39,101.51 = 16,400.26 : x
  2. Step 2: Convert to fraction form
    28,336.19/39,101.51 = 16,400.26/x
  3. Step 3: Cross multiply
    28,336.19x = 39,101.51 × 16,400.26
  4. Step 4: Simplify right side
    28,336.19x = 641,274,734.89
  5. Step 5: Solve for x
    x = 641,274,734.89/28,336.19
  6. Step 6: Final answer
    x = 22,630.95

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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.