Home / 28,164.24-38,850.84-19,208.88

Finding the Fourth Proportional to 28,164.24, 38,850.84 and 19,208.88

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Solution

The fourth proportional to 28,164.24, 38,850.84 and 19,208.88 is: 26,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.24 : 38,850.84 = 19,208.88 : x
  2. Step 2: Convert to fraction form
    28,164.24/38,850.84 = 19,208.88/x
  3. Step 3: Cross multiply
    28,164.24x = 38,850.84 × 19,208.88
  4. Step 4: Simplify right side
    28,164.24x = 746,281,123.46
  5. Step 5: Solve for x
    x = 746,281,123.46/28,164.24
  6. Step 6: Final answer
    x = 26,497.47

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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.