Home / 28,100.44-42,152.82-10,569.88

Finding the Fourth Proportional to 28,100.44, 42,152.82 and 10,569.88

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Solution

The fourth proportional to 28,100.44, 42,152.82 and 10,569.88 is: 15,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.44 : 42,152.82 = 10,569.88 : x
  2. Step 2: Convert to fraction form
    28,100.44/42,152.82 = 10,569.88/x
  3. Step 3: Cross multiply
    28,100.44x = 42,152.82 × 10,569.88
  4. Step 4: Simplify right side
    28,100.44x = 445,550,249.06
  5. Step 5: Solve for x
    x = 445,550,249.06/28,100.44
  6. Step 6: Final answer
    x = 15,855.63

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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.