Home / 21,462.18-32,199.75-14,470.26

Finding the Fourth Proportional to 21,462.18, 32,199.75 and 14,470.26

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Solution

The fourth proportional to 21,462.18, 32,199.75 and 14,470.26 is: 21,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.18 : 32,199.75 = 14,470.26 : x
  2. Step 2: Convert to fraction form
    21,462.18/32,199.75 = 14,470.26/x
  3. Step 3: Cross multiply
    21,462.18x = 32,199.75 × 14,470.26
  4. Step 4: Simplify right side
    21,462.18x = 465,938,754.44
  5. Step 5: Solve for x
    x = 465,938,754.44/21,462.18
  6. Step 6: Final answer
    x = 21,709.76

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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.