Home / 29,685.60-40,953.36-17,102.88

Finding the Fourth Proportional to 29,685.60, 40,953.36 and 17,102.88

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Solution

The fourth proportional to 29,685.60, 40,953.36 and 17,102.88 is: 23,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,685.60 : 40,953.36 = 17,102.88 : x
  2. Step 2: Convert to fraction form
    29,685.60/40,953.36 = 17,102.88/x
  3. Step 3: Cross multiply
    29,685.60x = 40,953.36 × 17,102.88
  4. Step 4: Simplify right side
    29,685.60x = 700,420,401.68
  5. Step 5: Solve for x
    x = 700,420,401.68/29,685.60
  6. Step 6: Final answer
    x = 23,594.62

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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.