Home / 21,034.24-29,026.78-11,602.80

Finding the Fourth Proportional to 21,034.24, 29,026.78 and 11,602.80

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Solution

The fourth proportional to 21,034.24, 29,026.78 and 11,602.80 is: 16,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.24 : 29,026.78 = 11,602.80 : x
  2. Step 2: Convert to fraction form
    21,034.24/29,026.78 = 11,602.80/x
  3. Step 3: Cross multiply
    21,034.24x = 29,026.78 × 11,602.80
  4. Step 4: Simplify right side
    21,034.24x = 336,791,922.98
  5. Step 5: Solve for x
    x = 336,791,922.98/21,034.24
  6. Step 6: Final answer
    x = 16,011.60

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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.