Home / 23,489.36-32,415.20-12,878.96

Finding the Fourth Proportional to 23,489.36, 32,415.20 and 12,878.96

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Solution

The fourth proportional to 23,489.36, 32,415.20 and 12,878.96 is: 17,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.36 : 32,415.20 = 12,878.96 : x
  2. Step 2: Convert to fraction form
    23,489.36/32,415.20 = 12,878.96/x
  3. Step 3: Cross multiply
    23,489.36x = 32,415.20 × 12,878.96
  4. Step 4: Simplify right side
    23,489.36x = 417,474,064.19
  5. Step 5: Solve for x
    x = 417,474,064.19/23,489.36
  6. Step 6: Final answer
    x = 17,772.90

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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.