Home / 27,900.18-41,816.25-21,353.76

Finding the Fourth Proportional to 27,900.18, 41,816.25 and 21,353.76

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Solution

The fourth proportional to 27,900.18, 41,816.25 and 21,353.76 is: 32,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.18 : 41,816.25 = 21,353.76 : x
  2. Step 2: Convert to fraction form
    27,900.18/41,816.25 = 21,353.76/x
  3. Step 3: Cross multiply
    27,900.18x = 41,816.25 × 21,353.76
  4. Step 4: Simplify right side
    27,900.18x = 892,934,166.60
  5. Step 5: Solve for x
    x = 892,934,166.60/27,900.18
  6. Step 6: Final answer
    x = 32,004.60

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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.