Home / 27,996.95-38,622.17-17,917.31

Finding the Fourth Proportional to 27,996.95, 38,622.17 and 17,917.31

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Solution

The fourth proportional to 27,996.95, 38,622.17 and 17,917.31 is: 24,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.95 : 38,622.17 = 17,917.31 : x
  2. Step 2: Convert to fraction form
    27,996.95/38,622.17 = 17,917.31/x
  3. Step 3: Cross multiply
    27,996.95x = 38,622.17 × 17,917.31
  4. Step 4: Simplify right side
    27,996.95x = 692,005,244.45
  5. Step 5: Solve for x
    x = 692,005,244.45/27,996.95
  6. Step 6: Final answer
    x = 24,717.17

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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.