Home / 20,038.68-27,653.36-11,537.73

Finding the Fourth Proportional to 20,038.68, 27,653.36 and 11,537.73

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Solution

The fourth proportional to 20,038.68, 27,653.36 and 11,537.73 is: 15,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.68 : 27,653.36 = 11,537.73 : x
  2. Step 2: Convert to fraction form
    20,038.68/27,653.36 = 11,537.73/x
  3. Step 3: Cross multiply
    20,038.68x = 27,653.36 × 11,537.73
  4. Step 4: Simplify right side
    20,038.68x = 319,056,943.58
  5. Step 5: Solve for x
    x = 319,056,943.58/20,038.68
  6. Step 6: Final answer
    x = 15,922.05

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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.