Home / 21,586.55-29,789.94-12,027.08

Finding the Fourth Proportional to 21,586.55, 29,789.94 and 12,027.08

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Solution

The fourth proportional to 21,586.55, 29,789.94 and 12,027.08 is: 16,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.55 : 29,789.94 = 12,027.08 : x
  2. Step 2: Convert to fraction form
    21,586.55/29,789.94 = 12,027.08/x
  3. Step 3: Cross multiply
    21,586.55x = 29,789.94 × 12,027.08
  4. Step 4: Simplify right side
    21,586.55x = 358,285,842.63
  5. Step 5: Solve for x
    x = 358,285,842.63/21,586.55
  6. Step 6: Final answer
    x = 16,597.65

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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.