Home / 28,267.20-42,399.44-10,735.66

Finding the Fourth Proportional to 28,267.20, 42,399.44 and 10,735.66

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Solution

The fourth proportional to 28,267.20, 42,399.44 and 10,735.66 is: 16,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.20 : 42,399.44 = 10,735.66 : x
  2. Step 2: Convert to fraction form
    28,267.20/42,399.44 = 10,735.66/x
  3. Step 3: Cross multiply
    28,267.20x = 42,399.44 × 10,735.66
  4. Step 4: Simplify right side
    28,267.20x = 455,186,115.76
  5. Step 5: Solve for x
    x = 455,186,115.76/28,267.20
  6. Step 6: Final answer
    x = 16,102.98

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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.