Home / 20,877.09-28,814.73-19,195.83

Finding the Fourth Proportional to 20,877.09, 28,814.73 and 19,195.83

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Solution

The fourth proportional to 20,877.09, 28,814.73 and 19,195.83 is: 26,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,877.09 : 28,814.73 = 19,195.83 : x
  2. Step 2: Convert to fraction form
    20,877.09/28,814.73 = 19,195.83/x
  3. Step 3: Cross multiply
    20,877.09x = 28,814.73 × 19,195.83
  4. Step 4: Simplify right side
    20,877.09x = 553,122,658.58
  5. Step 5: Solve for x
    x = 553,122,658.58/20,877.09
  6. Step 6: Final answer
    x = 26,494.24

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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.