Home / 22,028.16-32,985.84-12,156.48

Finding the Fourth Proportional to 22,028.16, 32,985.84 and 12,156.48

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Solution

The fourth proportional to 22,028.16, 32,985.84 and 12,156.48 is: 18,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.16 : 32,985.84 = 12,156.48 : x
  2. Step 2: Convert to fraction form
    22,028.16/32,985.84 = 12,156.48/x
  3. Step 3: Cross multiply
    22,028.16x = 32,985.84 × 12,156.48
  4. Step 4: Simplify right side
    22,028.16x = 400,991,704.24
  5. Step 5: Solve for x
    x = 400,991,704.24/22,028.16
  6. Step 6: Final answer
    x = 18,203.60

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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.