Home / 19,550.40-26,977.80-11,591.28

Finding the Fourth Proportional to 19,550.40, 26,977.80 and 11,591.28

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Solution

The fourth proportional to 19,550.40, 26,977.80 and 11,591.28 is: 15,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.40 : 26,977.80 = 11,591.28 : x
  2. Step 2: Convert to fraction form
    19,550.40/26,977.80 = 11,591.28/x
  3. Step 3: Cross multiply
    19,550.40x = 26,977.80 × 11,591.28
  4. Step 4: Simplify right side
    19,550.40x = 312,707,233.58
  5. Step 5: Solve for x
    x = 312,707,233.58/19,550.40
  6. Step 6: Final answer
    x = 15,994.93

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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.