Home / 29,312.67-40,451.62-15,883.92

Finding the Fourth Proportional to 29,312.67, 40,451.62 and 15,883.92

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Solution

The fourth proportional to 29,312.67, 40,451.62 and 15,883.92 is: 21,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.67 : 40,451.62 = 15,883.92 : x
  2. Step 2: Convert to fraction form
    29,312.67/40,451.62 = 15,883.92/x
  3. Step 3: Cross multiply
    29,312.67x = 40,451.62 × 15,883.92
  4. Step 4: Simplify right side
    29,312.67x = 642,530,164.11
  5. Step 5: Solve for x
    x = 642,530,164.11/29,312.67
  6. Step 6: Final answer
    x = 21,919.88

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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.