Home / 28,946.05-39,947.69-16,200.51

Finding the Fourth Proportional to 28,946.05, 39,947.69 and 16,200.51

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Solution

The fourth proportional to 28,946.05, 39,947.69 and 16,200.51 is: 22,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.05 : 39,947.69 = 16,200.51 : x
  2. Step 2: Convert to fraction form
    28,946.05/39,947.69 = 16,200.51/x
  3. Step 3: Cross multiply
    28,946.05x = 39,947.69 × 16,200.51
  4. Step 4: Simplify right side
    28,946.05x = 647,172,670.58
  5. Step 5: Solve for x
    x = 647,172,670.58/28,946.05
  6. Step 6: Final answer
    x = 22,357.90

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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.