Home / 28,669.14-39,571.83-19,122.93

Finding the Fourth Proportional to 28,669.14, 39,571.83 and 19,122.93

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Solution

The fourth proportional to 28,669.14, 39,571.83 and 19,122.93 is: 26,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.14 : 39,571.83 = 19,122.93 : x
  2. Step 2: Convert to fraction form
    28,669.14/39,571.83 = 19,122.93/x
  3. Step 3: Cross multiply
    28,669.14x = 39,571.83 × 19,122.93
  4. Step 4: Simplify right side
    28,669.14x = 756,729,335.06
  5. Step 5: Solve for x
    x = 756,729,335.06/28,669.14
  6. Step 6: Final answer
    x = 26,395.26

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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.