Home / 26,454.93-39,682.39-20,615.91

Finding the Fourth Proportional to 26,454.93, 39,682.39 and 20,615.91

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Solution

The fourth proportional to 26,454.93, 39,682.39 and 20,615.91 is: 30,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454.93 : 39,682.39 = 20,615.91 : x
  2. Step 2: Convert to fraction form
    26,454.93/39,682.39 = 20,615.91/x
  3. Step 3: Cross multiply
    26,454.93x = 39,682.39 × 20,615.91
  4. Step 4: Simplify right side
    26,454.93x = 818,088,580.82
  5. Step 5: Solve for x
    x = 818,088,580.82/26,454.93
  6. Step 6: Final answer
    x = 30,923.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.