Home / 29,142.60-40,215.64-17,209.76

Finding the Fourth Proportional to 29,142.60, 40,215.64 and 17,209.76

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Solution

The fourth proportional to 29,142.60, 40,215.64 and 17,209.76 is: 23,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.60 : 40,215.64 = 17,209.76 : x
  2. Step 2: Convert to fraction form
    29,142.60/40,215.64 = 17,209.76/x
  3. Step 3: Cross multiply
    29,142.60x = 40,215.64 × 17,209.76
  4. Step 4: Simplify right side
    29,142.60x = 692,101,512.65
  5. Step 5: Solve for x
    x = 692,101,512.65/29,142.60
  6. Step 6: Final answer
    x = 23,748.79

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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.