Home / 25,355.85-38,022.68-12,032.66

Finding the Fourth Proportional to 25,355.85, 38,022.68 and 12,032.66

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Solution

The fourth proportional to 25,355.85, 38,022.68 and 12,032.66 is: 18,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.85 : 38,022.68 = 12,032.66 : x
  2. Step 2: Convert to fraction form
    25,355.85/38,022.68 = 12,032.66/x
  3. Step 3: Cross multiply
    25,355.85x = 38,022.68 × 12,032.66
  4. Step 4: Simplify right side
    25,355.85x = 457,513,730.45
  5. Step 5: Solve for x
    x = 457,513,730.45/25,355.85
  6. Step 6: Final answer
    x = 18,043.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.