Home / 27,965.48-38,592.44-15,390.23

Finding the Fourth Proportional to 27,965.48, 38,592.44 and 15,390.23

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Solution

The fourth proportional to 27,965.48, 38,592.44 and 15,390.23 is: 21,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.48 : 38,592.44 = 15,390.23 : x
  2. Step 2: Convert to fraction form
    27,965.48/38,592.44 = 15,390.23/x
  3. Step 3: Cross multiply
    27,965.48x = 38,592.44 × 15,390.23
  4. Step 4: Simplify right side
    27,965.48x = 593,946,662.82
  5. Step 5: Solve for x
    x = 593,946,662.82/27,965.48
  6. Step 6: Final answer
    x = 21,238.56

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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.