Home / 27,811.95-38,380.26-15,064.84

Finding the Fourth Proportional to 27,811.95, 38,380.26 and 15,064.84

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Solution

The fourth proportional to 27,811.95, 38,380.26 and 15,064.84 is: 20,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.95 : 38,380.26 = 15,064.84 : x
  2. Step 2: Convert to fraction form
    27,811.95/38,380.26 = 15,064.84/x
  3. Step 3: Cross multiply
    27,811.95x = 38,380.26 × 15,064.84
  4. Step 4: Simplify right side
    27,811.95x = 578,192,476.06
  5. Step 5: Solve for x
    x = 578,192,476.06/27,811.95
  6. Step 6: Final answer
    x = 20,789.35

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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.