Home / 28,698.08-39,601.42-15,950.43

Finding the Fourth Proportional to 28,698.08, 39,601.42 and 15,950.43

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Solution

The fourth proportional to 28,698.08, 39,601.42 and 15,950.43 is: 22,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.08 : 39,601.42 = 15,950.43 : x
  2. Step 2: Convert to fraction form
    28,698.08/39,601.42 = 15,950.43/x
  3. Step 3: Cross multiply
    28,698.08x = 39,601.42 × 15,950.43
  4. Step 4: Simplify right side
    28,698.08x = 631,659,677.61
  5. Step 5: Solve for x
    x = 631,659,677.61/28,698.08
  6. Step 6: Final answer
    x = 22,010.52

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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.