Home / 28,338.83-39,106.95-16,401.93

Finding the Fourth Proportional to 28,338.83, 39,106.95 and 16,401.93

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Solution

The fourth proportional to 28,338.83, 39,106.95 and 16,401.93 is: 22,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.83 : 39,106.95 = 16,401.93 : x
  2. Step 2: Convert to fraction form
    28,338.83/39,106.95 = 16,401.93/x
  3. Step 3: Cross multiply
    28,338.83x = 39,106.95 × 16,401.93
  4. Step 4: Simplify right side
    28,338.83x = 641,429,340.52
  5. Step 5: Solve for x
    x = 641,429,340.52/28,338.83
  6. Step 6: Final answer
    x = 22,634.29

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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.