Home / 32,767.28-45,204.68-20,658.24

Finding the Fourth Proportional to 32,767.28, 45,204.68 and 20,658.24

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Solution

The fourth proportional to 32,767.28, 45,204.68 and 20,658.24 is: 28,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,767.28 : 45,204.68 = 20,658.24 : x
  2. Step 2: Convert to fraction form
    32,767.28/45,204.68 = 20,658.24/x
  3. Step 3: Cross multiply
    32,767.28x = 45,204.68 × 20,658.24
  4. Step 4: Simplify right side
    32,767.28x = 933,849,180.21
  5. Step 5: Solve for x
    x = 933,849,180.21/32,767.28
  6. Step 6: Final answer
    x = 28,499.44

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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.