Home / 21,523.30-32,253.36-15,295.30

Finding the Fourth Proportional to 21,523.30, 32,253.36 and 15,295.30

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Solution

The fourth proportional to 21,523.30, 32,253.36 and 15,295.30 is: 22,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.30 : 32,253.36 = 15,295.30 : x
  2. Step 2: Convert to fraction form
    21,523.30/32,253.36 = 15,295.30/x
  3. Step 3: Cross multiply
    21,523.30x = 32,253.36 × 15,295.30
  4. Step 4: Simplify right side
    21,523.30x = 493,324,817.21
  5. Step 5: Solve for x
    x = 493,324,817.21/21,523.30
  6. Step 6: Final answer
    x = 22,920.50

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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.