Home / 28,812.17-39,759.44-16,066.73

Finding the Fourth Proportional to 28,812.17, 39,759.44 and 16,066.73

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Solution

The fourth proportional to 28,812.17, 39,759.44 and 16,066.73 is: 22,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.17 : 39,759.44 = 16,066.73 : x
  2. Step 2: Convert to fraction form
    28,812.17/39,759.44 = 16,066.73/x
  3. Step 3: Cross multiply
    28,812.17x = 39,759.44 × 16,066.73
  4. Step 4: Simplify right side
    28,812.17x = 638,803,908.30
  5. Step 5: Solve for x
    x = 638,803,908.30/28,812.17
  6. Step 6: Final answer
    x = 22,171.33

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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.