Home / 27,896.19-38,497.04-15,320.94

Finding the Fourth Proportional to 27,896.19, 38,497.04 and 15,320.94

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Solution

The fourth proportional to 27,896.19, 38,497.04 and 15,320.94 is: 21,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.19 : 38,497.04 = 15,320.94 : x
  2. Step 2: Convert to fraction form
    27,896.19/38,497.04 = 15,320.94/x
  3. Step 3: Cross multiply
    27,896.19x = 38,497.04 × 15,320.94
  4. Step 4: Simplify right side
    27,896.19x = 589,810,840.02
  5. Step 5: Solve for x
    x = 589,810,840.02/27,896.19
  6. Step 6: Final answer
    x = 21,143.06

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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.