Home / 20,532.69-28,335.15-11,101.26

Finding the Fourth Proportional to 20,532.69, 28,335.15 and 11,101.26

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Solution

The fourth proportional to 20,532.69, 28,335.15 and 11,101.26 is: 15,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.69 : 28,335.15 = 11,101.26 : x
  2. Step 2: Convert to fraction form
    20,532.69/28,335.15 = 11,101.26/x
  3. Step 3: Cross multiply
    20,532.69x = 28,335.15 × 11,101.26
  4. Step 4: Simplify right side
    20,532.69x = 314,555,867.29
  5. Step 5: Solve for x
    x = 314,555,867.29/20,532.69
  6. Step 6: Final answer
    x = 15,319.76

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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.