Home / 26,923.81-40,393.98-13,785.41

Finding the Fourth Proportional to 26,923.81, 40,393.98 and 13,785.41

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Solution

The fourth proportional to 26,923.81, 40,393.98 and 13,785.41 is: 20,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.81 : 40,393.98 = 13,785.41 : x
  2. Step 2: Convert to fraction form
    26,923.81/40,393.98 = 13,785.41/x
  3. Step 3: Cross multiply
    26,923.81x = 40,393.98 × 13,785.41
  4. Step 4: Simplify right side
    26,923.81x = 556,847,575.83
  5. Step 5: Solve for x
    x = 556,847,575.83/26,923.81
  6. Step 6: Final answer
    x = 20,682.35

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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.