Home / 21,586.42-29,789.77-12,026.95

Finding the Fourth Proportional to 21,586.42, 29,789.77 and 12,026.95

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Solution

The fourth proportional to 21,586.42, 29,789.77 and 12,026.95 is: 16,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.42 : 29,789.77 = 12,026.95 : x
  2. Step 2: Convert to fraction form
    21,586.42/29,789.77 = 12,026.95/x
  3. Step 3: Cross multiply
    21,586.42x = 29,789.77 × 12,026.95
  4. Step 4: Simplify right side
    21,586.42x = 358,280,126.57
  5. Step 5: Solve for x
    x = 358,280,126.57/21,586.42
  6. Step 6: Final answer
    x = 16,597.48

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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.