Home / 20,733.15-28,611.68-11,301.71

Finding the Fourth Proportional to 20,733.15, 28,611.68 and 11,301.71

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Solution

The fourth proportional to 20,733.15, 28,611.68 and 11,301.71 is: 15,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.15 : 28,611.68 = 11,301.71 : x
  2. Step 2: Convert to fraction form
    20,733.15/28,611.68 = 11,301.71/x
  3. Step 3: Cross multiply
    20,733.15x = 28,611.68 × 11,301.71
  4. Step 4: Simplify right side
    20,733.15x = 323,360,710.41
  5. Step 5: Solve for x
    x = 323,360,710.41/20,733.15
  6. Step 6: Final answer
    x = 15,596.31

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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.