Home / 20,254.24-27,950.76-11,301.21

Finding the Fourth Proportional to 20,254.24, 27,950.76 and 11,301.21

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Solution

The fourth proportional to 20,254.24, 27,950.76 and 11,301.21 is: 15,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.24 : 27,950.76 = 11,301.21 : x
  2. Step 2: Convert to fraction form
    20,254.24/27,950.76 = 11,301.21/x
  3. Step 3: Cross multiply
    20,254.24x = 27,950.76 × 11,301.21
  4. Step 4: Simplify right side
    20,254.24x = 315,877,408.42
  5. Step 5: Solve for x
    x = 315,877,408.42/20,254.24
  6. Step 6: Final answer
    x = 15,595.62

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Half scale
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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.