Home / 38,240.27-57,360.41-11,947.09

Finding the Fourth Proportional to 38,240.27, 57,360.41 and 11,947.09

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Solution

The fourth proportional to 38,240.27, 57,360.41 and 11,947.09 is: 17,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.27 : 57,360.41 = 11,947.09 : x
  2. Step 2: Convert to fraction form
    38,240.27/57,360.41 = 11,947.09/x
  3. Step 3: Cross multiply
    38,240.27x = 57,360.41 × 11,947.09
  4. Step 4: Simplify right side
    38,240.27x = 685,289,980.71
  5. Step 5: Solve for x
    x = 685,289,980.71/38,240.27
  6. Step 6: Final answer
    x = 17,920.64

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1.5x scale

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.