Home / 28,616.68-39,492.66-16,040.44

Finding the Fourth Proportional to 28,616.68, 39,492.66 and 16,040.44

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Solution

The fourth proportional to 28,616.68, 39,492.66 and 16,040.44 is: 22,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.68 : 39,492.66 = 16,040.44 : x
  2. Step 2: Convert to fraction form
    28,616.68/39,492.66 = 16,040.44/x
  3. Step 3: Cross multiply
    28,616.68x = 39,492.66 × 16,040.44
  4. Step 4: Simplify right side
    28,616.68x = 633,479,643.17
  5. Step 5: Solve for x
    x = 633,479,643.17/28,616.68
  6. Step 6: Final answer
    x = 22,136.73

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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.