Home / 21,483.82-32,221.44-7,250.91

Finding the Fourth Proportional to 21,483.82, 32,221.44 and 7,250.91

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Solution

The fourth proportional to 21,483.82, 32,221.44 and 7,250.91 is: 10,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.82 : 32,221.44 = 7,250.91 : x
  2. Step 2: Convert to fraction form
    21,483.82/32,221.44 = 7,250.91/x
  3. Step 3: Cross multiply
    21,483.82x = 32,221.44 × 7,250.91
  4. Step 4: Simplify right side
    21,483.82x = 233,634,761.51
  5. Step 5: Solve for x
    x = 233,634,761.51/21,483.82
  6. Step 6: Final answer
    x = 10,874.92

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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.