Home / 27,444.16-37,872.78-15,511.36

Finding the Fourth Proportional to 27,444.16, 37,872.78 and 15,511.36

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Solution

The fourth proportional to 27,444.16, 37,872.78 and 15,511.36 is: 21,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,444.16 : 37,872.78 = 15,511.36 : x
  2. Step 2: Convert to fraction form
    27,444.16/37,872.78 = 15,511.36/x
  3. Step 3: Cross multiply
    27,444.16x = 37,872.78 × 15,511.36
  4. Step 4: Simplify right side
    27,444.16x = 587,458,324.78
  5. Step 5: Solve for x
    x = 587,458,324.78/27,444.16
  6. Step 6: Final answer
    x = 21,405.59

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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.