Home / 27,983.71-38,617.41-15,408.46

Finding the Fourth Proportional to 27,983.71, 38,617.41 and 15,408.46

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Solution

The fourth proportional to 27,983.71, 38,617.41 and 15,408.46 is: 21,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.71 : 38,617.41 = 15,408.46 : x
  2. Step 2: Convert to fraction form
    27,983.71/38,617.41 = 15,408.46/x
  3. Step 3: Cross multiply
    27,983.71x = 38,617.41 × 15,408.46
  4. Step 4: Simplify right side
    27,983.71x = 595,034,817.29
  5. Step 5: Solve for x
    x = 595,034,817.29/27,983.71
  6. Step 6: Final answer
    x = 21,263.61

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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.