Home / 38,850.40-58,268.64-10,387.84

Finding the Fourth Proportional to 38,850.40, 58,268.64 and 10,387.84

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Solution

The fourth proportional to 38,850.40, 58,268.64 and 10,387.84 is: 15,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850.40 : 58,268.64 = 10,387.84 : x
  2. Step 2: Convert to fraction form
    38,850.40/58,268.64 = 10,387.84/x
  3. Step 3: Cross multiply
    38,850.40x = 58,268.64 × 10,387.84
  4. Step 4: Simplify right side
    38,850.40x = 605,285,309.34
  5. Step 5: Solve for x
    x = 605,285,309.34/38,850.40
  6. Step 6: Final answer
    x = 15,579.90

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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.