Home / 27,353.80-37,748.23-14,778.55

Finding the Fourth Proportional to 27,353.80, 37,748.23 and 14,778.55

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Solution

The fourth proportional to 27,353.80, 37,748.23 and 14,778.55 is: 20,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353.80 : 37,748.23 = 14,778.55 : x
  2. Step 2: Convert to fraction form
    27,353.80/37,748.23 = 14,778.55/x
  3. Step 3: Cross multiply
    27,353.80x = 37,748.23 × 14,778.55
  4. Step 4: Simplify right side
    27,353.80x = 557,864,104.47
  5. Step 5: Solve for x
    x = 557,864,104.47/27,353.80
  6. Step 6: Final answer
    x = 20,394.39

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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.