Home / 25,861.55-38,772.54-11,811.83

Finding the Fourth Proportional to 25,861.55, 38,772.54 and 11,811.83

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Solution

The fourth proportional to 25,861.55, 38,772.54 and 11,811.83 is: 17,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.55 : 38,772.54 = 11,811.83 : x
  2. Step 2: Convert to fraction form
    25,861.55/38,772.54 = 11,811.83/x
  3. Step 3: Cross multiply
    25,861.55x = 38,772.54 × 11,811.83
  4. Step 4: Simplify right side
    25,861.55x = 457,974,457.29
  5. Step 5: Solve for x
    x = 457,974,457.29/25,861.55
  6. Step 6: Final answer
    x = 17,708.70

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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.