Home / 28,062.41-38,729.84-19,559.03

Finding the Fourth Proportional to 28,062.41, 38,729.84 and 19,559.03

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Solution

The fourth proportional to 28,062.41, 38,729.84 and 19,559.03 is: 26,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.41 : 38,729.84 = 19,559.03 : x
  2. Step 2: Convert to fraction form
    28,062.41/38,729.84 = 19,559.03/x
  3. Step 3: Cross multiply
    28,062.41x = 38,729.84 × 19,559.03
  4. Step 4: Simplify right side
    28,062.41x = 757,517,811.01
  5. Step 5: Solve for x
    x = 757,517,811.01/28,062.41
  6. Step 6: Final answer
    x = 26,994.04

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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.