Home / 27,353.40-37,747.92-15,415.60

Finding the Fourth Proportional to 27,353.40, 37,747.92 and 15,415.60

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Solution

The fourth proportional to 27,353.40, 37,747.92 and 15,415.60 is: 21,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353.40 : 37,747.92 = 15,415.60 : x
  2. Step 2: Convert to fraction form
    27,353.40/37,747.92 = 15,415.60/x
  3. Step 3: Cross multiply
    27,353.40x = 37,747.92 × 15,415.60
  4. Step 4: Simplify right side
    27,353.40x = 581,906,835.55
  5. Step 5: Solve for x
    x = 581,906,835.55/27,353.40
  6. Step 6: Final answer
    x = 21,273.66

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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.