Home / 27,685.75-41,545.23-10,157.35

Finding the Fourth Proportional to 27,685.75, 41,545.23 and 10,157.35

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Solution

The fourth proportional to 27,685.75, 41,545.23 and 10,157.35 is: 15,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.75 : 41,545.23 = 10,157.35 : x
  2. Step 2: Convert to fraction form
    27,685.75/41,545.23 = 10,157.35/x
  3. Step 3: Cross multiply
    27,685.75x = 41,545.23 × 10,157.35
  4. Step 4: Simplify right side
    27,685.75x = 421,989,441.94
  5. Step 5: Solve for x
    x = 421,989,441.94/27,685.75
  6. Step 6: Final answer
    x = 15,242.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.