Home / 19,945.30-27,536.32-17,731.18

Finding the Fourth Proportional to 19,945.30, 27,536.32 and 17,731.18

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Solution

The fourth proportional to 19,945.30, 27,536.32 and 17,731.18 is: 24,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.30 : 27,536.32 = 17,731.18 : x
  2. Step 2: Convert to fraction form
    19,945.30/27,536.32 = 17,731.18/x
  3. Step 3: Cross multiply
    19,945.30x = 27,536.32 × 17,731.18
  4. Step 4: Simplify right side
    19,945.30x = 488,251,446.46
  5. Step 5: Solve for x
    x = 488,251,446.46/19,945.30
  6. Step 6: Final answer
    x = 24,479.52

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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.