Home / 27,895.88-38,496.92-15,320.63

Finding the Fourth Proportional to 27,895.88, 38,496.92 and 15,320.63

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Solution

The fourth proportional to 27,895.88, 38,496.92 and 15,320.63 is: 21,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.88 : 38,496.92 = 15,320.63 : x
  2. Step 2: Convert to fraction form
    27,895.88/38,496.92 = 15,320.63/x
  3. Step 3: Cross multiply
    27,895.88x = 38,496.92 × 15,320.63
  4. Step 4: Simplify right side
    27,895.88x = 589,796,798.37
  5. Step 5: Solve for x
    x = 589,796,798.37/27,895.88
  6. Step 6: Final answer
    x = 21,142.80

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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.