Home / 28,175.04-38,882.43-16,238.88

Finding the Fourth Proportional to 28,175.04, 38,882.43 and 16,238.88

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Solution

The fourth proportional to 28,175.04, 38,882.43 and 16,238.88 is: 22,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.04 : 38,882.43 = 16,238.88 : x
  2. Step 2: Convert to fraction form
    28,175.04/38,882.43 = 16,238.88/x
  3. Step 3: Cross multiply
    28,175.04x = 38,882.43 × 16,238.88
  4. Step 4: Simplify right side
    28,175.04x = 631,407,114.88
  5. Step 5: Solve for x
    x = 631,407,114.88/28,175.04
  6. Step 6: Final answer
    x = 22,410.16

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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.