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Finding the Fourth Proportional to 29,099.43, 43,655.63 and 15,945.03

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Solution

The fourth proportional to 29,099.43, 43,655.63 and 15,945.03 is: 23,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,099.43 : 43,655.63 = 15,945.03 : x
  2. Step 2: Convert to fraction form
    29,099.43/43,655.63 = 15,945.03/x
  3. Step 3: Cross multiply
    29,099.43x = 43,655.63 × 15,945.03
  4. Step 4: Simplify right side
    29,099.43x = 696,090,250.29
  5. Step 5: Solve for x
    x = 696,090,250.29/29,099.43
  6. Step 6: Final answer
    x = 23,921.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.