Home / 20,962.26-28,927.32-11,530.83

Finding the Fourth Proportional to 20,962.26, 28,927.32 and 11,530.83

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Solution

The fourth proportional to 20,962.26, 28,927.32 and 11,530.83 is: 15,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.26 : 28,927.32 = 11,530.83 : x
  2. Step 2: Convert to fraction form
    20,962.26/28,927.32 = 11,530.83/x
  3. Step 3: Cross multiply
    20,962.26x = 28,927.32 × 11,530.83
  4. Step 4: Simplify right side
    20,962.26x = 333,556,009.28
  5. Step 5: Solve for x
    x = 333,556,009.28/20,962.26
  6. Step 6: Final answer
    x = 15,912.22

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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.