Home / 29,280.43-40,379.33-19,217.60

Finding the Fourth Proportional to 29,280.43, 40,379.33 and 19,217.60

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Solution

The fourth proportional to 29,280.43, 40,379.33 and 19,217.60 is: 26,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.43 : 40,379.33 = 19,217.60 : x
  2. Step 2: Convert to fraction form
    29,280.43/40,379.33 = 19,217.60/x
  3. Step 3: Cross multiply
    29,280.43x = 40,379.33 × 19,217.60
  4. Step 4: Simplify right side
    29,280.43x = 775,993,658.36
  5. Step 5: Solve for x
    x = 775,993,658.36/29,280.43
  6. Step 6: Final answer
    x = 26,502.13

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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.