Home / 28,887.38-39,864.61-16,950.77

Finding the Fourth Proportional to 28,887.38, 39,864.61 and 16,950.77

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Solution

The fourth proportional to 28,887.38, 39,864.61 and 16,950.77 is: 23,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.38 : 39,864.61 = 16,950.77 : x
  2. Step 2: Convert to fraction form
    28,887.38/39,864.61 = 16,950.77/x
  3. Step 3: Cross multiply
    28,887.38x = 39,864.61 × 16,950.77
  4. Step 4: Simplify right side
    28,887.38x = 675,735,711.26
  5. Step 5: Solve for x
    x = 675,735,711.26/28,887.38
  6. Step 6: Final answer
    x = 23,392.07

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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.