Home / 38,867.47-58,286.89-13,900.75

Finding the Fourth Proportional to 38,867.47, 58,286.89 and 13,900.75

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Solution

The fourth proportional to 38,867.47, 58,286.89 and 13,900.75 is: 20,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.47 : 58,286.89 = 13,900.75 : x
  2. Step 2: Convert to fraction form
    38,867.47/58,286.89 = 13,900.75/x
  3. Step 3: Cross multiply
    38,867.47x = 58,286.89 × 13,900.75
  4. Step 4: Simplify right side
    38,867.47x = 810,231,159.98
  5. Step 5: Solve for x
    x = 810,231,159.98/38,867.47
  6. Step 6: Final answer
    x = 20,846.00

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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.