Home / 25,772.29-38,631.45-10,788

Finding the Fourth Proportional to 25,772.29, 38,631.45 and 10,788

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Solution

The fourth proportional to 25,772.29, 38,631.45 and 10,788 is: 16,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.29 : 38,631.45 = 10,788 : x
  2. Step 2: Convert to fraction form
    25,772.29/38,631.45 = 10,788/x
  3. Step 3: Cross multiply
    25,772.29x = 38,631.45 × 10,788
  4. Step 4: Simplify right side
    25,772.29x = 416,756,082.60
  5. Step 5: Solve for x
    x = 416,756,082.60/25,772.29
  6. Step 6: Final answer
    x = 16,170.70

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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.