Home / 28,617.68-39,492.24-16,042.16

Finding the Fourth Proportional to 28,617.68, 39,492.24 and 16,042.16

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Solution

The fourth proportional to 28,617.68, 39,492.24 and 16,042.16 is: 22,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.68 : 39,492.24 = 16,042.16 : x
  2. Step 2: Convert to fraction form
    28,617.68/39,492.24 = 16,042.16/x
  3. Step 3: Cross multiply
    28,617.68x = 39,492.24 × 16,042.16
  4. Step 4: Simplify right side
    28,617.68x = 633,540,832.84
  5. Step 5: Solve for x
    x = 633,540,832.84/28,617.68
  6. Step 6: Final answer
    x = 22,138.09

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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.