Home / 28,119.08-38,805.75-16,184.14

Finding the Fourth Proportional to 28,119.08, 38,805.75 and 16,184.14

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Solution

The fourth proportional to 28,119.08, 38,805.75 and 16,184.14 is: 22,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.08 : 38,805.75 = 16,184.14 : x
  2. Step 2: Convert to fraction form
    28,119.08/38,805.75 = 16,184.14/x
  3. Step 3: Cross multiply
    28,119.08x = 38,805.75 × 16,184.14
  4. Step 4: Simplify right side
    28,119.08x = 628,037,593.79
  5. Step 5: Solve for x
    x = 628,037,593.79/28,119.08
  6. Step 6: Final answer
    x = 22,334.92

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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.