Home / 29,276.15-40,401.14-15,847.52

Finding the Fourth Proportional to 29,276.15, 40,401.14 and 15,847.52

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Solution

The fourth proportional to 29,276.15, 40,401.14 and 15,847.52 is: 21,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.15 : 40,401.14 = 15,847.52 : x
  2. Step 2: Convert to fraction form
    29,276.15/40,401.14 = 15,847.52/x
  3. Step 3: Cross multiply
    29,276.15x = 40,401.14 × 15,847.52
  4. Step 4: Simplify right side
    29,276.15x = 640,257,592.93
  5. Step 5: Solve for x
    x = 640,257,592.93/29,276.15
  6. Step 6: Final answer
    x = 21,869.60

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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.