Home / 28,826.36-39,782.24-16,251.92

Finding the Fourth Proportional to 28,826.36, 39,782.24 and 16,251.92

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Solution

The fourth proportional to 28,826.36, 39,782.24 and 16,251.92 is: 22,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,826.36 : 39,782.24 = 16,251.92 : x
  2. Step 2: Convert to fraction form
    28,826.36/39,782.24 = 16,251.92/x
  3. Step 3: Cross multiply
    28,826.36x = 39,782.24 × 16,251.92
  4. Step 4: Simplify right side
    28,826.36x = 646,537,781.90
  5. Step 5: Solve for x
    x = 646,537,781.90/28,826.36
  6. Step 6: Final answer
    x = 22,428.70

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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.