Home / 27,983.29-38,616.87-15,408.04

Finding the Fourth Proportional to 27,983.29, 38,616.87 and 15,408.04

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Solution

The fourth proportional to 27,983.29, 38,616.87 and 15,408.04 is: 21,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.29 : 38,616.87 = 15,408.04 : x
  2. Step 2: Convert to fraction form
    27,983.29/38,616.87 = 15,408.04/x
  3. Step 3: Cross multiply
    27,983.29x = 38,616.87 × 15,408.04
  4. Step 4: Simplify right side
    27,983.29x = 595,010,277.63
  5. Step 5: Solve for x
    x = 595,010,277.63/27,983.29
  6. Step 6: Final answer
    x = 21,263.06

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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.