Home / 29,370.12-40,529.68-15,941.08

Finding the Fourth Proportional to 29,370.12, 40,529.68 and 15,941.08

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Solution

The fourth proportional to 29,370.12, 40,529.68 and 15,941.08 is: 21,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370.12 : 40,529.68 = 15,941.08 : x
  2. Step 2: Convert to fraction form
    29,370.12/40,529.68 = 15,941.08/x
  3. Step 3: Cross multiply
    29,370.12x = 40,529.68 × 15,941.08
  4. Step 4: Simplify right side
    29,370.12x = 646,086,791.55
  5. Step 5: Solve for x
    x = 646,086,791.55/29,370.12
  6. Step 6: Final answer
    x = 21,998.10

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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.