Home / 35,128.80-52,589.84-21,941.20

Finding the Fourth Proportional to 35,128.80, 52,589.84 and 21,941.20

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Solution

The fourth proportional to 35,128.80, 52,589.84 and 21,941.20 is: 32,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.80 : 52,589.84 = 21,941.20 : x
  2. Step 2: Convert to fraction form
    35,128.80/52,589.84 = 21,941.20/x
  3. Step 3: Cross multiply
    35,128.80x = 52,589.84 × 21,941.20
  4. Step 4: Simplify right side
    35,128.80x = 1,153,884,197.41
  5. Step 5: Solve for x
    x = 1,153,884,197.41/35,128.80
  6. Step 6: Final answer
    x = 32,847.24

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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.