Home / 28,716.36-39,632.34-16,141.14

Finding the Fourth Proportional to 28,716.36, 39,632.34 and 16,141.14

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Solution

The fourth proportional to 28,716.36, 39,632.34 and 16,141.14 is: 22,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.36 : 39,632.34 = 16,141.14 : x
  2. Step 2: Convert to fraction form
    28,716.36/39,632.34 = 16,141.14/x
  3. Step 3: Cross multiply
    28,716.36x = 39,632.34 × 16,141.14
  4. Step 4: Simplify right side
    28,716.36x = 639,711,148.47
  5. Step 5: Solve for x
    x = 639,711,148.47/28,716.36
  6. Step 6: Final answer
    x = 22,276.89

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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.