Home / 23,027.67-31,780.98-12,956.54

Finding the Fourth Proportional to 23,027.67, 31,780.98 and 12,956.54

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Solution

The fourth proportional to 23,027.67, 31,780.98 and 12,956.54 is: 17,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.67 : 31,780.98 = 12,956.54 : x
  2. Step 2: Convert to fraction form
    23,027.67/31,780.98 = 12,956.54/x
  3. Step 3: Cross multiply
    23,027.67x = 31,780.98 × 12,956.54
  4. Step 4: Simplify right side
    23,027.67x = 411,771,379.70
  5. Step 5: Solve for x
    x = 411,771,379.70/23,027.67
  6. Step 6: Final answer
    x = 17,881.59

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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.