Home / 28,108.44-42,164.28-10,578.42

Finding the Fourth Proportional to 28,108.44, 42,164.28 and 10,578.42

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Solution

The fourth proportional to 28,108.44, 42,164.28 and 10,578.42 is: 15,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108.44 : 42,164.28 = 10,578.42 : x
  2. Step 2: Convert to fraction form
    28,108.44/42,164.28 = 10,578.42/x
  3. Step 3: Cross multiply
    28,108.44x = 42,164.28 × 10,578.42
  4. Step 4: Simplify right side
    28,108.44x = 446,031,462.84
  5. Step 5: Solve for x
    x = 446,031,462.84/28,108.44
  6. Step 6: Final answer
    x = 15,868.24

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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.