Home / 29,369.87-40,530.45-15,941.12

Finding the Fourth Proportional to 29,369.87, 40,530.45 and 15,941.12

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Solution

The fourth proportional to 29,369.87, 40,530.45 and 15,941.12 is: 21,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.87 : 40,530.45 = 15,941.12 : x
  2. Step 2: Convert to fraction form
    29,369.87/40,530.45 = 15,941.12/x
  3. Step 3: Cross multiply
    29,369.87x = 40,530.45 × 15,941.12
  4. Step 4: Simplify right side
    29,369.87x = 646,100,636.39
  5. Step 5: Solve for x
    x = 646,100,636.39/29,369.87
  6. Step 6: Final answer
    x = 21,998.76

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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.