Home / 23,777.52-32,791.32-20,419.28

Finding the Fourth Proportional to 23,777.52, 32,791.32 and 20,419.28

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Solution

The fourth proportional to 23,777.52, 32,791.32 and 20,419.28 is: 28,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,777.52 : 32,791.32 = 20,419.28 : x
  2. Step 2: Convert to fraction form
    23,777.52/32,791.32 = 20,419.28/x
  3. Step 3: Cross multiply
    23,777.52x = 32,791.32 × 20,419.28
  4. Step 4: Simplify right side
    23,777.52x = 669,575,144.65
  5. Step 5: Solve for x
    x = 669,575,144.65/23,777.52
  6. Step 6: Final answer
    x = 28,160.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.