Home / 21,913.29-32,835.38-13,152.33

Finding the Fourth Proportional to 21,913.29, 32,835.38 and 13,152.33

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Solution

The fourth proportional to 21,913.29, 32,835.38 and 13,152.33 is: 19,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913.29 : 32,835.38 = 13,152.33 : x
  2. Step 2: Convert to fraction form
    21,913.29/32,835.38 = 13,152.33/x
  3. Step 3: Cross multiply
    21,913.29x = 32,835.38 × 13,152.33
  4. Step 4: Simplify right side
    21,913.29x = 431,861,687.67
  5. Step 5: Solve for x
    x = 431,861,687.67/21,913.29
  6. Step 6: Final answer
    x = 19,707.75

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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.