Home / 20,541.26-28,346.67-11,591.66

Finding the Fourth Proportional to 20,541.26, 28,346.67 and 11,591.66

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Solution

The fourth proportional to 20,541.26, 28,346.67 and 11,591.66 is: 15,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.26 : 28,346.67 = 11,591.66 : x
  2. Step 2: Convert to fraction form
    20,541.26/28,346.67 = 11,591.66/x
  3. Step 3: Cross multiply
    20,541.26x = 28,346.67 × 11,591.66
  4. Step 4: Simplify right side
    20,541.26x = 328,584,960.77
  5. Step 5: Solve for x
    x = 328,584,960.77/20,541.26
  6. Step 6: Final answer
    x = 15,996.34

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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.