Home / 27,984.96-38,620.48-17,921.92

Finding the Fourth Proportional to 27,984.96, 38,620.48 and 17,921.92

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Solution

The fourth proportional to 27,984.96, 38,620.48 and 17,921.92 is: 24,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.96 : 38,620.48 = 17,921.92 : x
  2. Step 2: Convert to fraction form
    27,984.96/38,620.48 = 17,921.92/x
  3. Step 3: Cross multiply
    27,984.96x = 38,620.48 × 17,921.92
  4. Step 4: Simplify right side
    27,984.96x = 692,153,152.92
  5. Step 5: Solve for x
    x = 692,153,152.92/27,984.96
  6. Step 6: Final answer
    x = 24,733.04

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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.