Home / 21,564.48-32,336.49-7,522.80

Finding the Fourth Proportional to 21,564.48, 32,336.49 and 7,522.80

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Solution

The fourth proportional to 21,564.48, 32,336.49 and 7,522.80 is: 11,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.48 : 32,336.49 = 7,522.80 : x
  2. Step 2: Convert to fraction form
    21,564.48/32,336.49 = 7,522.80/x
  3. Step 3: Cross multiply
    21,564.48x = 32,336.49 × 7,522.80
  4. Step 4: Simplify right side
    21,564.48x = 243,261,027.81
  5. Step 5: Solve for x
    x = 243,261,027.81/21,564.48
  6. Step 6: Final answer
    x = 11,280.63

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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.