Home / 23,027.10-31,775.60-12,953.54

Finding the Fourth Proportional to 23,027.10, 31,775.60 and 12,953.54

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Solution

The fourth proportional to 23,027.10, 31,775.60 and 12,953.54 is: 17,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.10 : 31,775.60 = 12,953.54 : x
  2. Step 2: Convert to fraction form
    23,027.10/31,775.60 = 12,953.54/x
  3. Step 3: Cross multiply
    23,027.10x = 31,775.60 × 12,953.54
  4. Step 4: Simplify right side
    23,027.10x = 411,606,505.62
  5. Step 5: Solve for x
    x = 411,606,505.62/23,027.10
  6. Step 6: Final answer
    x = 17,874.87

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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.