Home / 23,809.90-32,860.71-15,640.48

Finding the Fourth Proportional to 23,809.90, 32,860.71 and 15,640.48

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Solution

The fourth proportional to 23,809.90, 32,860.71 and 15,640.48 is: 21,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,809.90 : 32,860.71 = 15,640.48 : x
  2. Step 2: Convert to fraction form
    23,809.90/32,860.71 = 15,640.48/x
  3. Step 3: Cross multiply
    23,809.90x = 32,860.71 × 15,640.48
  4. Step 4: Simplify right side
    23,809.90x = 513,957,277.54
  5. Step 5: Solve for x
    x = 513,957,277.54/23,809.90
  6. Step 6: Final answer
    x = 21,585.86

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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.