Home / 21,510.65-32,265.91-5,717.27

Finding the Fourth Proportional to 21,510.65, 32,265.91 and 5,717.27

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Solution

The fourth proportional to 21,510.65, 32,265.91 and 5,717.27 is: 8,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.65 : 32,265.91 = 5,717.27 : x
  2. Step 2: Convert to fraction form
    21,510.65/32,265.91 = 5,717.27/x
  3. Step 3: Cross multiply
    21,510.65x = 32,265.91 × 5,717.27
  4. Step 4: Simplify right side
    21,510.65x = 184,473,078.30
  5. Step 5: Solve for x
    x = 184,473,078.30/21,510.65
  6. Step 6: Final answer
    x = 8,575.89

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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.