Home / 28,616.24-39,490.28-16,040.99

Finding the Fourth Proportional to 28,616.24, 39,490.28 and 16,040.99

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Solution

The fourth proportional to 28,616.24, 39,490.28 and 16,040.99 is: 22,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.24 : 39,490.28 = 16,040.99 : x
  2. Step 2: Convert to fraction form
    28,616.24/39,490.28 = 16,040.99/x
  3. Step 3: Cross multiply
    28,616.24x = 39,490.28 × 16,040.99
  4. Step 4: Simplify right side
    28,616.24x = 633,463,186.58
  5. Step 5: Solve for x
    x = 633,463,186.58/28,616.24
  6. Step 6: Final answer
    x = 22,136.49

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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.