Home / 26,728.74-40,092.26-12,698.87

Finding the Fourth Proportional to 26,728.74, 40,092.26 and 12,698.87

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Solution

The fourth proportional to 26,728.74, 40,092.26 and 12,698.87 is: 19,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.74 : 40,092.26 = 12,698.87 : x
  2. Step 2: Convert to fraction form
    26,728.74/40,092.26 = 12,698.87/x
  3. Step 3: Cross multiply
    26,728.74x = 40,092.26 × 12,698.87
  4. Step 4: Simplify right side
    26,728.74x = 509,126,133.79
  5. Step 5: Solve for x
    x = 509,126,133.79/26,728.74
  6. Step 6: Final answer
    x = 19,047.89

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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.