Home / 19,981.71-27,573.35-11,027.30

Finding the Fourth Proportional to 19,981.71, 27,573.35 and 11,027.30

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Solution

The fourth proportional to 19,981.71, 27,573.35 and 11,027.30 is: 15,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.71 : 27,573.35 = 11,027.30 : x
  2. Step 2: Convert to fraction form
    19,981.71/27,573.35 = 11,027.30/x
  3. Step 3: Cross multiply
    19,981.71x = 27,573.35 × 11,027.30
  4. Step 4: Simplify right side
    19,981.71x = 304,059,409.45
  5. Step 5: Solve for x
    x = 304,059,409.45/19,981.71
  6. Step 6: Final answer
    x = 15,216.89

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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.