Home / 28,047.44-42,092.92-10,533.20

Finding the Fourth Proportional to 28,047.44, 42,092.92 and 10,533.20

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Solution

The fourth proportional to 28,047.44, 42,092.92 and 10,533.20 is: 15,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.44 : 42,092.92 = 10,533.20 : x
  2. Step 2: Convert to fraction form
    28,047.44/42,092.92 = 10,533.20/x
  3. Step 3: Cross multiply
    28,047.44x = 42,092.92 × 10,533.20
  4. Step 4: Simplify right side
    28,047.44x = 443,373,144.94
  5. Step 5: Solve for x
    x = 443,373,144.94/28,047.44
  6. Step 6: Final answer
    x = 15,807.97

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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.