Home / 27,972.94-38,603.47-15,226.95

Finding the Fourth Proportional to 27,972.94, 38,603.47 and 15,226.95

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Solution

The fourth proportional to 27,972.94, 38,603.47 and 15,226.95 is: 21,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.94 : 38,603.47 = 15,226.95 : x
  2. Step 2: Convert to fraction form
    27,972.94/38,603.47 = 15,226.95/x
  3. Step 3: Cross multiply
    27,972.94x = 38,603.47 × 15,226.95
  4. Step 4: Simplify right side
    27,972.94x = 587,813,134.19
  5. Step 5: Solve for x
    x = 587,813,134.19/27,972.94
  6. Step 6: Final answer
    x = 21,013.63

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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.