Home / 28,056.38-38,717.60-15,481.16

Finding the Fourth Proportional to 28,056.38, 38,717.60 and 15,481.16

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Solution

The fourth proportional to 28,056.38, 38,717.60 and 15,481.16 is: 21,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.38 : 38,717.60 = 15,481.16 : x
  2. Step 2: Convert to fraction form
    28,056.38/38,717.60 = 15,481.16/x
  3. Step 3: Cross multiply
    28,056.38x = 38,717.60 × 15,481.16
  4. Step 4: Simplify right side
    28,056.38x = 599,393,360.42
  5. Step 5: Solve for x
    x = 599,393,360.42/28,056.38
  6. Step 6: Final answer
    x = 21,363.89

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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.