Home / 20,959.66-28,924.38-11,528.26

Finding the Fourth Proportional to 20,959.66, 28,924.38 and 11,528.26

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Solution

The fourth proportional to 20,959.66, 28,924.38 and 11,528.26 is: 15,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959.66 : 28,924.38 = 11,528.26 : x
  2. Step 2: Convert to fraction form
    20,959.66/28,924.38 = 11,528.26/x
  3. Step 3: Cross multiply
    20,959.66x = 28,924.38 × 11,528.26
  4. Step 4: Simplify right side
    20,959.66x = 333,447,772.98
  5. Step 5: Solve for x
    x = 333,447,772.98/20,959.66
  6. Step 6: Final answer
    x = 15,909.03

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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.