Home / 21,899.55-32,858.75-7,113

Finding the Fourth Proportional to 21,899.55, 32,858.75 and 7,113

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Solution

The fourth proportional to 21,899.55, 32,858.75 and 7,113 is: 10,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.55 : 32,858.75 = 7,113 : x
  2. Step 2: Convert to fraction form
    21,899.55/32,858.75 = 7,113/x
  3. Step 3: Cross multiply
    21,899.55x = 32,858.75 × 7,113
  4. Step 4: Simplify right side
    21,899.55x = 233,724,288.75
  5. Step 5: Solve for x
    x = 233,724,288.75/21,899.55
  6. Step 6: Final answer
    x = 10,672.56

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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.