Home / 21,562.10-29,739.66-19,039.76

Finding the Fourth Proportional to 21,562.10, 29,739.66 and 19,039.76

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Solution

The fourth proportional to 21,562.10, 29,739.66 and 19,039.76 is: 26,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562.10 : 29,739.66 = 19,039.76 : x
  2. Step 2: Convert to fraction form
    21,562.10/29,739.66 = 19,039.76/x
  3. Step 3: Cross multiply
    21,562.10x = 29,739.66 × 19,039.76
  4. Step 4: Simplify right side
    21,562.10x = 566,235,988.88
  5. Step 5: Solve for x
    x = 566,235,988.88/21,562.10
  6. Step 6: Final answer
    x = 26,260.71

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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.