Home / 21,586.04-29,789.25-12,026.58

Finding the Fourth Proportional to 21,586.04, 29,789.25 and 12,026.58

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Solution

The fourth proportional to 21,586.04, 29,789.25 and 12,026.58 is: 16,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.04 : 29,789.25 = 12,026.58 : x
  2. Step 2: Convert to fraction form
    21,586.04/29,789.25 = 12,026.58/x
  3. Step 3: Cross multiply
    21,586.04x = 29,789.25 × 12,026.58
  4. Step 4: Simplify right side
    21,586.04x = 358,262,709.11
  5. Step 5: Solve for x
    x = 358,262,709.11/21,586.04
  6. Step 6: Final answer
    x = 16,596.96

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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.