Home / 26,305.28-39,381.36-13,795.64

Finding the Fourth Proportional to 26,305.28, 39,381.36 and 13,795.64

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Solution

The fourth proportional to 26,305.28, 39,381.36 and 13,795.64 is: 20,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,305.28 : 39,381.36 = 13,795.64 : x
  2. Step 2: Convert to fraction form
    26,305.28/39,381.36 = 13,795.64/x
  3. Step 3: Cross multiply
    26,305.28x = 39,381.36 × 13,795.64
  4. Step 4: Simplify right side
    26,305.28x = 543,291,065.27
  5. Step 5: Solve for x
    x = 543,291,065.27/26,305.28
  6. Step 6: Final answer
    x = 20,653.31

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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.