Home / 26,245.81-39,354.13-18,853.75

Finding the Fourth Proportional to 26,245.81, 39,354.13 and 18,853.75

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Solution

The fourth proportional to 26,245.81, 39,354.13 and 18,853.75 is: 28,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,245.81 : 39,354.13 = 18,853.75 : x
  2. Step 2: Convert to fraction form
    26,245.81/39,354.13 = 18,853.75/x
  3. Step 3: Cross multiply
    26,245.81x = 39,354.13 × 18,853.75
  4. Step 4: Simplify right side
    26,245.81x = 741,972,928.49
  5. Step 5: Solve for x
    x = 741,972,928.49/26,245.81
  6. Step 6: Final answer
    x = 28,270.15

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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.