Home / 19,571.08-27,001.50-11,072.20

Finding the Fourth Proportional to 19,571.08, 27,001.50 and 11,072.20

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Solution

The fourth proportional to 19,571.08, 27,001.50 and 11,072.20 is: 15,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.08 : 27,001.50 = 11,072.20 : x
  2. Step 2: Convert to fraction form
    19,571.08/27,001.50 = 11,072.20/x
  3. Step 3: Cross multiply
    19,571.08x = 27,001.50 × 11,072.20
  4. Step 4: Simplify right side
    19,571.08x = 298,966,008.30
  5. Step 5: Solve for x
    x = 298,966,008.30/19,571.08
  6. Step 6: Final answer
    x = 15,275.91

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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.