Home / 28,149.94-42,181.14-10,610.20

Finding the Fourth Proportional to 28,149.94, 42,181.14 and 10,610.20

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Solution

The fourth proportional to 28,149.94, 42,181.14 and 10,610.20 is: 15,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.94 : 42,181.14 = 10,610.20 : x
  2. Step 2: Convert to fraction form
    28,149.94/42,181.14 = 10,610.20/x
  3. Step 3: Cross multiply
    28,149.94x = 42,181.14 × 10,610.20
  4. Step 4: Simplify right side
    28,149.94x = 447,550,331.63
  5. Step 5: Solve for x
    x = 447,550,331.63/28,149.94
  6. Step 6: Final answer
    x = 15,898.80

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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.