Home / 25,926.77-35,781.62-15,861.91

Finding the Fourth Proportional to 25,926.77, 35,781.62 and 15,861.91

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Solution

The fourth proportional to 25,926.77, 35,781.62 and 15,861.91 is: 21,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.77 : 35,781.62 = 15,861.91 : x
  2. Step 2: Convert to fraction form
    25,926.77/35,781.62 = 15,861.91/x
  3. Step 3: Cross multiply
    25,926.77x = 35,781.62 × 15,861.91
  4. Step 4: Simplify right side
    25,926.77x = 567,564,696.84
  5. Step 5: Solve for x
    x = 567,564,696.84/25,926.77
  6. Step 6: Final answer
    x = 21,891.07

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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.