Home / 21,649.93-32,475.80-6,858.52

Finding the Fourth Proportional to 21,649.93, 32,475.80 and 6,858.52

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Solution

The fourth proportional to 21,649.93, 32,475.80 and 6,858.52 is: 10,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649.93 : 32,475.80 = 6,858.52 : x
  2. Step 2: Convert to fraction form
    21,649.93/32,475.80 = 6,858.52/x
  3. Step 3: Cross multiply
    21,649.93x = 32,475.80 × 6,858.52
  4. Step 4: Simplify right side
    21,649.93x = 222,735,923.82
  5. Step 5: Solve for x
    x = 222,735,923.82/21,649.93
  6. Step 6: Final answer
    x = 10,288.07

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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.