Home / 28,711.26-39,623.67-15,966.75

Finding the Fourth Proportional to 28,711.26, 39,623.67 and 15,966.75

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Solution

The fourth proportional to 28,711.26, 39,623.67 and 15,966.75 is: 22,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.26 : 39,623.67 = 15,966.75 : x
  2. Step 2: Convert to fraction form
    28,711.26/39,623.67 = 15,966.75/x
  3. Step 3: Cross multiply
    28,711.26x = 39,623.67 × 15,966.75
  4. Step 4: Simplify right side
    28,711.26x = 632,661,232.97
  5. Step 5: Solve for x
    x = 632,661,232.97/28,711.26
  6. Step 6: Final answer
    x = 22,035.30

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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.