Home / 29,221.21-40,325.28-15,792.46

Finding the Fourth Proportional to 29,221.21, 40,325.28 and 15,792.46

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Solution

The fourth proportional to 29,221.21, 40,325.28 and 15,792.46 is: 21,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.21 : 40,325.28 = 15,792.46 : x
  2. Step 2: Convert to fraction form
    29,221.21/40,325.28 = 15,792.46/x
  3. Step 3: Cross multiply
    29,221.21x = 40,325.28 × 15,792.46
  4. Step 4: Simplify right side
    29,221.21x = 636,835,371.39
  5. Step 5: Solve for x
    x = 636,835,371.39/29,221.21
  6. Step 6: Final answer
    x = 21,793.60

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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.