Home / 28,119.88-42,182.70-10,604.44

Finding the Fourth Proportional to 28,119.88, 42,182.70 and 10,604.44

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Solution

The fourth proportional to 28,119.88, 42,182.70 and 10,604.44 is: 15,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.88 : 42,182.70 = 10,604.44 : x
  2. Step 2: Convert to fraction form
    28,119.88/42,182.70 = 10,604.44/x
  3. Step 3: Cross multiply
    28,119.88x = 42,182.70 × 10,604.44
  4. Step 4: Simplify right side
    28,119.88x = 447,323,911.19
  5. Step 5: Solve for x
    x = 447,323,911.19/28,119.88
  6. Step 6: Final answer
    x = 15,907.75

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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.