Home / 38,873.84-58,296.48-13,907.12

Finding the Fourth Proportional to 38,873.84, 58,296.48 and 13,907.12

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Solution

The fourth proportional to 38,873.84, 58,296.48 and 13,907.12 is: 20,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,873.84 : 58,296.48 = 13,907.12 : x
  2. Step 2: Convert to fraction form
    38,873.84/58,296.48 = 13,907.12/x
  3. Step 3: Cross multiply
    38,873.84x = 58,296.48 × 13,907.12
  4. Step 4: Simplify right side
    38,873.84x = 810,736,142.94
  5. Step 5: Solve for x
    x = 810,736,142.94/38,873.84
  6. Step 6: Final answer
    x = 20,855.57

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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.