Home / 27,435.84-37,861.20-16,105.56

Finding the Fourth Proportional to 27,435.84, 37,861.20 and 16,105.56

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Solution

The fourth proportional to 27,435.84, 37,861.20 and 16,105.56 is: 22,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.84 : 37,861.20 = 16,105.56 : x
  2. Step 2: Convert to fraction form
    27,435.84/37,861.20 = 16,105.56/x
  3. Step 3: Cross multiply
    27,435.84x = 37,861.20 × 16,105.56
  4. Step 4: Simplify right side
    27,435.84x = 609,775,828.27
  5. Step 5: Solve for x
    x = 609,775,828.27/27,435.84
  6. Step 6: Final answer
    x = 22,225.52

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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.