Home / 29,249.83-40,364.65-15,821.12

Finding the Fourth Proportional to 29,249.83, 40,364.65 and 15,821.12

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Solution

The fourth proportional to 29,249.83, 40,364.65 and 15,821.12 is: 21,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,249.83 : 40,364.65 = 15,821.12 : x
  2. Step 2: Convert to fraction form
    29,249.83/40,364.65 = 15,821.12/x
  3. Step 3: Cross multiply
    29,249.83x = 40,364.65 × 15,821.12
  4. Step 4: Simplify right side
    29,249.83x = 638,614,136.59
  5. Step 5: Solve for x
    x = 638,614,136.59/29,249.83
  6. Step 6: Final answer
    x = 21,833.09

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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.