Home / 21,561.26-32,342.03-7,521.23

Finding the Fourth Proportional to 21,561.26, 32,342.03 and 7,521.23

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Solution

The fourth proportional to 21,561.26, 32,342.03 and 7,521.23 is: 11,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561.26 : 32,342.03 = 7,521.23 : x
  2. Step 2: Convert to fraction form
    21,561.26/32,342.03 = 7,521.23/x
  3. Step 3: Cross multiply
    21,561.26x = 32,342.03 × 7,521.23
  4. Step 4: Simplify right side
    21,561.26x = 243,251,869.10
  5. Step 5: Solve for x
    x = 243,251,869.10/21,561.26
  6. Step 6: Final answer
    x = 11,281.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.