Home / 27,190.38-37,553.13-18,718.50

Finding the Fourth Proportional to 27,190.38, 37,553.13 and 18,718.50

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Solution

The fourth proportional to 27,190.38, 37,553.13 and 18,718.50 is: 25,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.38 : 37,553.13 = 18,718.50 : x
  2. Step 2: Convert to fraction form
    27,190.38/37,553.13 = 18,718.50/x
  3. Step 3: Cross multiply
    27,190.38x = 37,553.13 × 18,718.50
  4. Step 4: Simplify right side
    27,190.38x = 702,938,263.91
  5. Step 5: Solve for x
    x = 702,938,263.91/27,190.38
  6. Step 6: Final answer
    x = 25,852.46

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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.