Home / 28,924.74-39,918.11-16,179.11

Finding the Fourth Proportional to 28,924.74, 39,918.11 and 16,179.11

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Solution

The fourth proportional to 28,924.74, 39,918.11 and 16,179.11 is: 22,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.74 : 39,918.11 = 16,179.11 : x
  2. Step 2: Convert to fraction form
    28,924.74/39,918.11 = 16,179.11/x
  3. Step 3: Cross multiply
    28,924.74x = 39,918.11 × 16,179.11
  4. Step 4: Simplify right side
    28,924.74x = 645,839,212.20
  5. Step 5: Solve for x
    x = 645,839,212.20/28,924.74
  6. Step 6: Final answer
    x = 22,328.26

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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.