Home / 27,979.48-41,954.96-13,748.90

Finding the Fourth Proportional to 27,979.48, 41,954.96 and 13,748.90

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Solution

The fourth proportional to 27,979.48, 41,954.96 and 13,748.90 is: 20,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.48 : 41,954.96 = 13,748.90 : x
  2. Step 2: Convert to fraction form
    27,979.48/41,954.96 = 13,748.90/x
  3. Step 3: Cross multiply
    27,979.48x = 41,954.96 × 13,748.90
  4. Step 4: Simplify right side
    27,979.48x = 576,834,688.80
  5. Step 5: Solve for x
    x = 576,834,688.80/27,979.48
  6. Step 6: Final answer
    x = 20,616.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.