Home / 19,439.50-26,827.32-11,488.54

Finding the Fourth Proportional to 19,439.50, 26,827.32 and 11,488.54

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Solution

The fourth proportional to 19,439.50, 26,827.32 and 11,488.54 is: 15,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.50 : 26,827.32 = 11,488.54 : x
  2. Step 2: Convert to fraction form
    19,439.50/26,827.32 = 11,488.54/x
  3. Step 3: Cross multiply
    19,439.50x = 26,827.32 × 11,488.54
  4. Step 4: Simplify right side
    19,439.50x = 308,206,738.91
  5. Step 5: Solve for x
    x = 308,206,738.91/19,439.50
  6. Step 6: Final answer
    x = 15,854.66

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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.