Home / 28,660.48-39,559.72-17,330

Finding the Fourth Proportional to 28,660.48, 39,559.72 and 17,330

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Solution

The fourth proportional to 28,660.48, 39,559.72 and 17,330 is: 23,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.48 : 39,559.72 = 17,330 : x
  2. Step 2: Convert to fraction form
    28,660.48/39,559.72 = 17,330/x
  3. Step 3: Cross multiply
    28,660.48x = 39,559.72 × 17,330
  4. Step 4: Simplify right side
    28,660.48x = 685,569,947.60
  5. Step 5: Solve for x
    x = 685,569,947.60/28,660.48
  6. Step 6: Final answer
    x = 23,920.39

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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.