Home / 27,576.32-38,053.41-15,639.80

Finding the Fourth Proportional to 27,576.32, 38,053.41 and 15,639.80

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Solution

The fourth proportional to 27,576.32, 38,053.41 and 15,639.80 is: 21,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.32 : 38,053.41 = 15,639.80 : x
  2. Step 2: Convert to fraction form
    27,576.32/38,053.41 = 15,639.80/x
  3. Step 3: Cross multiply
    27,576.32x = 38,053.41 × 15,639.80
  4. Step 4: Simplify right side
    27,576.32x = 595,147,721.72
  5. Step 5: Solve for x
    x = 595,147,721.72/27,576.32
  6. Step 6: Final answer
    x = 21,581.84

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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.