Home / 20,212.14-27,690.77-19,454.59

Finding the Fourth Proportional to 20,212.14, 27,690.77 and 19,454.59

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Solution

The fourth proportional to 20,212.14, 27,690.77 and 19,454.59 is: 26,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.14 : 27,690.77 = 19,454.59 : x
  2. Step 2: Convert to fraction form
    20,212.14/27,690.77 = 19,454.59/x
  3. Step 3: Cross multiply
    20,212.14x = 27,690.77 × 19,454.59
  4. Step 4: Simplify right side
    20,212.14x = 538,712,341.41
  5. Step 5: Solve for x
    x = 538,712,341.41/20,212.14
  6. Step 6: Final answer
    x = 26,652.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.