Home / 27,983.95-38,616.89-15,236.88

Finding the Fourth Proportional to 27,983.95, 38,616.89 and 15,236.88

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Solution

The fourth proportional to 27,983.95, 38,616.89 and 15,236.88 is: 21,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.95 : 38,616.89 = 15,236.88 : x
  2. Step 2: Convert to fraction form
    27,983.95/38,616.89 = 15,236.88/x
  3. Step 3: Cross multiply
    27,983.95x = 38,616.89 × 15,236.88
  4. Step 4: Simplify right side
    27,983.95x = 588,400,697.91
  5. Step 5: Solve for x
    x = 588,400,697.91/27,983.95
  6. Step 6: Final answer
    x = 21,026.37

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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.