Home / 38,784.92-58,164.78-15,090.80

Finding the Fourth Proportional to 38,784.92, 58,164.78 and 15,090.80

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Solution

The fourth proportional to 38,784.92, 58,164.78 and 15,090.80 is: 22,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.92 : 58,164.78 = 15,090.80 : x
  2. Step 2: Convert to fraction form
    38,784.92/58,164.78 = 15,090.80/x
  3. Step 3: Cross multiply
    38,784.92x = 58,164.78 × 15,090.80
  4. Step 4: Simplify right side
    38,784.92x = 877,753,062.02
  5. Step 5: Solve for x
    x = 877,753,062.02/38,784.92
  6. Step 6: Final answer
    x = 22,631.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.