Home / 27,965.86-38,592.60-15,868.58

Finding the Fourth Proportional to 27,965.86, 38,592.60 and 15,868.58

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Solution

The fourth proportional to 27,965.86, 38,592.60 and 15,868.58 is: 21,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.86 : 38,592.60 = 15,868.58 : x
  2. Step 2: Convert to fraction form
    27,965.86/38,592.60 = 15,868.58/x
  3. Step 3: Cross multiply
    27,965.86x = 38,592.60 × 15,868.58
  4. Step 4: Simplify right side
    27,965.86x = 612,409,760.51
  5. Step 5: Solve for x
    x = 612,409,760.51/27,965.86
  6. Step 6: Final answer
    x = 21,898.48

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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.