Home / 19,989.76-27,585.74-11,037.82

Finding the Fourth Proportional to 19,989.76, 27,585.74 and 11,037.82

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Solution

The fourth proportional to 19,989.76, 27,585.74 and 11,037.82 is: 15,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.76 : 27,585.74 = 11,037.82 : x
  2. Step 2: Convert to fraction form
    19,989.76/27,585.74 = 11,037.82/x
  3. Step 3: Cross multiply
    19,989.76x = 27,585.74 × 11,037.82
  4. Step 4: Simplify right side
    19,989.76x = 304,486,432.69
  5. Step 5: Solve for x
    x = 304,486,432.69/19,989.76
  6. Step 6: Final answer
    x = 15,232.12

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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.