Home / 27,392.96-37,816.80-21,091.52

Finding the Fourth Proportional to 27,392.96, 37,816.80 and 21,091.52

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Solution

The fourth proportional to 27,392.96, 37,816.80 and 21,091.52 is: 29,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,392.96 : 37,816.80 = 21,091.52 : x
  2. Step 2: Convert to fraction form
    27,392.96/37,816.80 = 21,091.52/x
  3. Step 3: Cross multiply
    27,392.96x = 37,816.80 × 21,091.52
  4. Step 4: Simplify right side
    27,392.96x = 797,613,793.54
  5. Step 5: Solve for x
    x = 797,613,793.54/27,392.96
  6. Step 6: Final answer
    x = 29,117.47

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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.