Home / 27,759.51-41,639.87-9,039.50

Finding the Fourth Proportional to 27,759.51, 41,639.87 and 9,039.50

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Solution

The fourth proportional to 27,759.51, 41,639.87 and 9,039.50 is: 13,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.51 : 41,639.87 = 9,039.50 : x
  2. Step 2: Convert to fraction form
    27,759.51/41,639.87 = 9,039.50/x
  3. Step 3: Cross multiply
    27,759.51x = 41,639.87 × 9,039.50
  4. Step 4: Simplify right side
    27,759.51x = 376,403,575.41
  5. Step 5: Solve for x
    x = 376,403,575.41/27,759.51
  6. Step 6: Final answer
    x = 13,559.45

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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.