Home / 28,901.27-39,883.64-16,154.44

Finding the Fourth Proportional to 28,901.27, 39,883.64 and 16,154.44

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Solution

The fourth proportional to 28,901.27, 39,883.64 and 16,154.44 is: 22,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.27 : 39,883.64 = 16,154.44 : x
  2. Step 2: Convert to fraction form
    28,901.27/39,883.64 = 16,154.44/x
  3. Step 3: Cross multiply
    28,901.27x = 39,883.64 × 16,154.44
  4. Step 4: Simplify right side
    28,901.27x = 644,297,948.01
  5. Step 5: Solve for x
    x = 644,297,948.01/28,901.27
  6. Step 6: Final answer
    x = 22,293.07

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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.