Home / 19,962.82-27,544.89-13,672.90

Finding the Fourth Proportional to 19,962.82, 27,544.89 and 13,672.90

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Solution

The fourth proportional to 19,962.82, 27,544.89 and 13,672.90 is: 18,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.82 : 27,544.89 = 13,672.90 : x
  2. Step 2: Convert to fraction form
    19,962.82/27,544.89 = 13,672.90/x
  3. Step 3: Cross multiply
    19,962.82x = 27,544.89 × 13,672.90
  4. Step 4: Simplify right side
    19,962.82x = 376,618,526.48
  5. Step 5: Solve for x
    x = 376,618,526.48/19,962.82
  6. Step 6: Final answer
    x = 18,866.00

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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.