Home / 17,575.81-26,361.77-4,428.18

Finding the Fourth Proportional to 17,575.81, 26,361.77 and 4,428.18

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Solution

The fourth proportional to 17,575.81, 26,361.77 and 4,428.18 is: 6,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,575.81 : 26,361.77 = 4,428.18 : x
  2. Step 2: Convert to fraction form
    17,575.81/26,361.77 = 4,428.18/x
  3. Step 3: Cross multiply
    17,575.81x = 26,361.77 × 4,428.18
  4. Step 4: Simplify right side
    17,575.81x = 116,734,640.54
  5. Step 5: Solve for x
    x = 116,734,640.54/17,575.81
  6. Step 6: Final answer
    x = 6,641.78

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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.