Home / 28,796.09-39,739.41-16,859.93

Finding the Fourth Proportional to 28,796.09, 39,739.41 and 16,859.93

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Solution

The fourth proportional to 28,796.09, 39,739.41 and 16,859.93 is: 23,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.09 : 39,739.41 = 16,859.93 : x
  2. Step 2: Convert to fraction form
    28,796.09/39,739.41 = 16,859.93/x
  3. Step 3: Cross multiply
    28,796.09x = 39,739.41 × 16,859.93
  4. Step 4: Simplify right side
    28,796.09x = 670,003,472.14
  5. Step 5: Solve for x
    x = 670,003,472.14/28,796.09
  6. Step 6: Final answer
    x = 23,267.17

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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.