Home / 21,531.20-32,309.36-9,050.27

Finding the Fourth Proportional to 21,531.20, 32,309.36 and 9,050.27

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Solution

The fourth proportional to 21,531.20, 32,309.36 and 9,050.27 is: 13,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531.20 : 32,309.36 = 9,050.27 : x
  2. Step 2: Convert to fraction form
    21,531.20/32,309.36 = 9,050.27/x
  3. Step 3: Cross multiply
    21,531.20x = 32,309.36 × 9,050.27
  4. Step 4: Simplify right side
    21,531.20x = 292,408,224.73
  5. Step 5: Solve for x
    x = 292,408,224.73/21,531.20
  6. Step 6: Final answer
    x = 13,580.68

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1.5x scale

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.