Home / 21,560.10-29,736.90-19,037.76

Finding the Fourth Proportional to 21,560.10, 29,736.90 and 19,037.76

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Solution

The fourth proportional to 21,560.10, 29,736.90 and 19,037.76 is: 26,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560.10 : 29,736.90 = 19,037.76 : x
  2. Step 2: Convert to fraction form
    21,560.10/29,736.90 = 19,037.76/x
  3. Step 3: Cross multiply
    21,560.10x = 29,736.90 × 19,037.76
  4. Step 4: Simplify right side
    21,560.10x = 566,123,965.34
  5. Step 5: Solve for x
    x = 566,123,965.34/21,560.10
  6. Step 6: Final answer
    x = 26,257.95

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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.