Home / 27,550.35-38,026.40-15,620.81

Finding the Fourth Proportional to 27,550.35, 38,026.40 and 15,620.81

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Solution

The fourth proportional to 27,550.35, 38,026.40 and 15,620.81 is: 21,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.35 : 38,026.40 = 15,620.81 : x
  2. Step 2: Convert to fraction form
    27,550.35/38,026.40 = 15,620.81/x
  3. Step 3: Cross multiply
    27,550.35x = 38,026.40 × 15,620.81
  4. Step 4: Simplify right side
    27,550.35x = 594,002,901.15
  5. Step 5: Solve for x
    x = 594,002,901.15/27,550.35
  6. Step 6: Final answer
    x = 21,560.63

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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.