Home / 23,489.55-32,415.34-12,879.16

Finding the Fourth Proportional to 23,489.55, 32,415.34 and 12,879.16

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Solution

The fourth proportional to 23,489.55, 32,415.34 and 12,879.16 is: 17,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.55 : 32,415.34 = 12,879.16 : x
  2. Step 2: Convert to fraction form
    23,489.55/32,415.34 = 12,879.16/x
  3. Step 3: Cross multiply
    23,489.55x = 32,415.34 × 12,879.16
  4. Step 4: Simplify right side
    23,489.55x = 417,482,350.31
  5. Step 5: Solve for x
    x = 417,482,350.31/23,489.55
  6. Step 6: Final answer
    x = 17,773.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.