Home / 29,394.88-40,576.55-20,447.57

Finding the Fourth Proportional to 29,394.88, 40,576.55 and 20,447.57

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Solution

The fourth proportional to 29,394.88, 40,576.55 and 20,447.57 is: 28,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,394.88 : 40,576.55 = 20,447.57 : x
  2. Step 2: Convert to fraction form
    29,394.88/40,576.55 = 20,447.57/x
  3. Step 3: Cross multiply
    29,394.88x = 40,576.55 × 20,447.57
  4. Step 4: Simplify right side
    29,394.88x = 829,691,846.48
  5. Step 5: Solve for x
    x = 829,691,846.48/29,394.88
  6. Step 6: Final answer
    x = 28,225.73

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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.