Home / 27,153.95-37,474.00-15,221.18

Finding the Fourth Proportional to 27,153.95, 37,474.00 and 15,221.18

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Solution

The fourth proportional to 27,153.95, 37,474.00 and 15,221.18 is: 21,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.95 : 37,474.00 = 15,221.18 : x
  2. Step 2: Convert to fraction form
    27,153.95/37,474.00 = 15,221.18/x
  3. Step 3: Cross multiply
    27,153.95x = 37,474.00 × 15,221.18
  4. Step 4: Simplify right side
    27,153.95x = 570,398,273.90
  5. Step 5: Solve for x
    x = 570,398,273.90/27,153.95
  6. Step 6: Final answer
    x = 21,006.09

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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.