Home / 28,875.72-39,836.70-17,545.44

Finding the Fourth Proportional to 28,875.72, 39,836.70 and 17,545.44

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Solution

The fourth proportional to 28,875.72, 39,836.70 and 17,545.44 is: 24,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.72 : 39,836.70 = 17,545.44 : x
  2. Step 2: Convert to fraction form
    28,875.72/39,836.70 = 17,545.44/x
  3. Step 3: Cross multiply
    28,875.72x = 39,836.70 × 17,545.44
  4. Step 4: Simplify right side
    28,875.72x = 698,952,429.65
  5. Step 5: Solve for x
    x = 698,952,429.65/28,875.72
  6. Step 6: Final answer
    x = 24,205.54

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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.