Home / 28,727.57-39,616.21-19,167.85

Finding the Fourth Proportional to 28,727.57, 39,616.21 and 19,167.85

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Solution

The fourth proportional to 28,727.57, 39,616.21 and 19,167.85 is: 26,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.57 : 39,616.21 = 19,167.85 : x
  2. Step 2: Convert to fraction form
    28,727.57/39,616.21 = 19,167.85/x
  3. Step 3: Cross multiply
    28,727.57x = 39,616.21 × 19,167.85
  4. Step 4: Simplify right side
    28,727.57x = 759,357,423.89
  5. Step 5: Solve for x
    x = 759,357,423.89/28,727.57
  6. Step 6: Final answer
    x = 26,433.05

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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.