Home / 21,277.12-32,074.98-19,849.90

Finding the Fourth Proportional to 21,277.12, 32,074.98 and 19,849.90

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Solution

The fourth proportional to 21,277.12, 32,074.98 and 19,849.90 is: 29,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.12 : 32,074.98 = 19,849.90 : x
  2. Step 2: Convert to fraction form
    21,277.12/32,074.98 = 19,849.90/x
  3. Step 3: Cross multiply
    21,277.12x = 32,074.98 × 19,849.90
  4. Step 4: Simplify right side
    21,277.12x = 636,685,145.50
  5. Step 5: Solve for x
    x = 636,685,145.50/21,277.12
  6. Step 6: Final answer
    x = 29,923.46

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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.