Home / 28,904.11-39,882.56-16,153.22

Finding the Fourth Proportional to 28,904.11, 39,882.56 and 16,153.22

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Solution

The fourth proportional to 28,904.11, 39,882.56 and 16,153.22 is: 22,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.11 : 39,882.56 = 16,153.22 : x
  2. Step 2: Convert to fraction form
    28,904.11/39,882.56 = 16,153.22/x
  3. Step 3: Cross multiply
    28,904.11x = 39,882.56 × 16,153.22
  4. Step 4: Simplify right side
    28,904.11x = 644,231,566.43
  5. Step 5: Solve for x
    x = 644,231,566.43/28,904.11
  6. Step 6: Final answer
    x = 22,288.58

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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.