Home / 27,435.93-41,155.82-11,639.16

Finding the Fourth Proportional to 27,435.93, 41,155.82 and 11,639.16

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Solution

The fourth proportional to 27,435.93, 41,155.82 and 11,639.16 is: 17,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.93 : 41,155.82 = 11,639.16 : x
  2. Step 2: Convert to fraction form
    27,435.93/41,155.82 = 11,639.16/x
  3. Step 3: Cross multiply
    27,435.93x = 41,155.82 × 11,639.16
  4. Step 4: Simplify right side
    27,435.93x = 479,019,115.72
  5. Step 5: Solve for x
    x = 479,019,115.72/27,435.93
  6. Step 6: Final answer
    x = 17,459.55

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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.