Home / 29,647.26-40,894.43-20,691.50

Finding the Fourth Proportional to 29,647.26, 40,894.43 and 20,691.50

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Solution

The fourth proportional to 29,647.26, 40,894.43 and 20,691.50 is: 28,541.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.26 : 40,894.43 = 20,691.50 : x
  2. Step 2: Convert to fraction form
    29,647.26/40,894.43 = 20,691.50/x
  3. Step 3: Cross multiply
    29,647.26x = 40,894.43 × 20,691.50
  4. Step 4: Simplify right side
    29,647.26x = 846,166,790.42
  5. Step 5: Solve for x
    x = 846,166,790.42/29,647.26
  6. Step 6: Final answer
    x = 28,541.15

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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.