Home / 21,764.09-32,650.23-15,508.58

Finding the Fourth Proportional to 21,764.09, 32,650.23 and 15,508.58

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Solution

The fourth proportional to 21,764.09, 32,650.23 and 15,508.58 is: 23,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.09 : 32,650.23 = 15,508.58 : x
  2. Step 2: Convert to fraction form
    21,764.09/32,650.23 = 15,508.58/x
  3. Step 3: Cross multiply
    21,764.09x = 32,650.23 × 15,508.58
  4. Step 4: Simplify right side
    21,764.09x = 506,358,785.60
  5. Step 5: Solve for x
    x = 506,358,785.60/21,764.09
  6. Step 6: Final answer
    x = 23,265.79

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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.