Home / 28,094.60-38,767.74-15,518.54

Finding the Fourth Proportional to 28,094.60, 38,767.74 and 15,518.54

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Solution

The fourth proportional to 28,094.60, 38,767.74 and 15,518.54 is: 21,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.60 : 38,767.74 = 15,518.54 : x
  2. Step 2: Convert to fraction form
    28,094.60/38,767.74 = 15,518.54/x
  3. Step 3: Cross multiply
    28,094.60x = 38,767.74 × 15,518.54
  4. Step 4: Simplify right side
    28,094.60x = 601,618,723.90
  5. Step 5: Solve for x
    x = 601,618,723.90/28,094.60
  6. Step 6: Final answer
    x = 21,414.03

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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.