Home / 27,904.96-38,510.40-15,965.56

Finding the Fourth Proportional to 27,904.96, 38,510.40 and 15,965.56

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Solution

The fourth proportional to 27,904.96, 38,510.40 and 15,965.56 is: 22,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.96 : 38,510.40 = 15,965.56 : x
  2. Step 2: Convert to fraction form
    27,904.96/38,510.40 = 15,965.56/x
  3. Step 3: Cross multiply
    27,904.96x = 38,510.40 × 15,965.56
  4. Step 4: Simplify right side
    27,904.96x = 614,840,101.82
  5. Step 5: Solve for x
    x = 614,840,101.82/27,904.96
  6. Step 6: Final answer
    x = 22,033.36

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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.