Home / 27,259.87-37,619.69-15,323.17

Finding the Fourth Proportional to 27,259.87, 37,619.69 and 15,323.17

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Solution

The fourth proportional to 27,259.87, 37,619.69 and 15,323.17 is: 21,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259.87 : 37,619.69 = 15,323.17 : x
  2. Step 2: Convert to fraction form
    27,259.87/37,619.69 = 15,323.17/x
  3. Step 3: Cross multiply
    27,259.87x = 37,619.69 × 15,323.17
  4. Step 4: Simplify right side
    27,259.87x = 576,452,905.22
  5. Step 5: Solve for x
    x = 576,452,905.22/27,259.87
  6. Step 6: Final answer
    x = 21,146.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.