Home / 28,169.14-38,882.06-16,240.44

Finding the Fourth Proportional to 28,169.14, 38,882.06 and 16,240.44

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Solution

The fourth proportional to 28,169.14, 38,882.06 and 16,240.44 is: 22,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.14 : 38,882.06 = 16,240.44 : x
  2. Step 2: Convert to fraction form
    28,169.14/38,882.06 = 16,240.44/x
  3. Step 3: Cross multiply
    28,169.14x = 38,882.06 × 16,240.44
  4. Step 4: Simplify right side
    28,169.14x = 631,461,762.51
  5. Step 5: Solve for x
    x = 631,461,762.51/28,169.14
  6. Step 6: Final answer
    x = 22,416.79

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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.