Home / 21,522.08-32,256.36-15,272.12

Finding the Fourth Proportional to 21,522.08, 32,256.36 and 15,272.12

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Solution

The fourth proportional to 21,522.08, 32,256.36 and 15,272.12 is: 22,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.08 : 32,256.36 = 15,272.12 : x
  2. Step 2: Convert to fraction form
    21,522.08/32,256.36 = 15,272.12/x
  3. Step 3: Cross multiply
    21,522.08x = 32,256.36 × 15,272.12
  4. Step 4: Simplify right side
    21,522.08x = 492,623,000.68
  5. Step 5: Solve for x
    x = 492,623,000.68/21,522.08
  6. Step 6: Final answer
    x = 22,889.19

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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.