Home / 21,277.20-32,075.13-19,849.98

Finding the Fourth Proportional to 21,277.20, 32,075.13 and 19,849.98

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Solution

The fourth proportional to 21,277.20, 32,075.13 and 19,849.98 is: 29,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.20 : 32,075.13 = 19,849.98 : x
  2. Step 2: Convert to fraction form
    21,277.20/32,075.13 = 19,849.98/x
  3. Step 3: Cross multiply
    21,277.20x = 32,075.13 × 19,849.98
  4. Step 4: Simplify right side
    21,277.20x = 636,690,689.00
  5. Step 5: Solve for x
    x = 636,690,689.00/21,277.20
  6. Step 6: Final answer
    x = 29,923.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.