Home / 25,227.24-37,972.41-21,421.86

Finding the Fourth Proportional to 25,227.24, 37,972.41 and 21,421.86

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Solution

The fourth proportional to 25,227.24, 37,972.41 and 21,421.86 is: 32,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,227.24 : 37,972.41 = 21,421.86 : x
  2. Step 2: Convert to fraction form
    25,227.24/37,972.41 = 21,421.86/x
  3. Step 3: Cross multiply
    25,227.24x = 37,972.41 × 21,421.86
  4. Step 4: Simplify right side
    25,227.24x = 813,439,650.88
  5. Step 5: Solve for x
    x = 813,439,650.88/25,227.24
  6. Step 6: Final answer
    x = 32,244.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.