Home / 28,056.30-38,717.65-15,481.04

Finding the Fourth Proportional to 28,056.30, 38,717.65 and 15,481.04

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Solution

The fourth proportional to 28,056.30, 38,717.65 and 15,481.04 is: 21,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.30 : 38,717.65 = 15,481.04 : x
  2. Step 2: Convert to fraction form
    28,056.30/38,717.65 = 15,481.04/x
  3. Step 3: Cross multiply
    28,056.30x = 38,717.65 × 15,481.04
  4. Step 4: Simplify right side
    28,056.30x = 599,389,488.36
  5. Step 5: Solve for x
    x = 599,389,488.36/28,056.30
  6. Step 6: Final answer
    x = 21,363.81

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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.