Home / 28,563.96-42,847.75-8,840.86

Finding the Fourth Proportional to 28,563.96, 42,847.75 and 8,840.86

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Solution

The fourth proportional to 28,563.96, 42,847.75 and 8,840.86 is: 13,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.96 : 42,847.75 = 8,840.86 : x
  2. Step 2: Convert to fraction form
    28,563.96/42,847.75 = 8,840.86/x
  3. Step 3: Cross multiply
    28,563.96x = 42,847.75 × 8,840.86
  4. Step 4: Simplify right side
    28,563.96x = 378,810,959.07
  5. Step 5: Solve for x
    x = 378,810,959.07/28,563.96
  6. Step 6: Final answer
    x = 13,261.85

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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.