Home / 38,559.42-57,845.72-13,257.72

Finding the Fourth Proportional to 38,559.42, 57,845.72 and 13,257.72

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Solution

The fourth proportional to 38,559.42, 57,845.72 and 13,257.72 is: 19,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.42 : 57,845.72 = 13,257.72 : x
  2. Step 2: Convert to fraction form
    38,559.42/57,845.72 = 13,257.72/x
  3. Step 3: Cross multiply
    38,559.42x = 57,845.72 × 13,257.72
  4. Step 4: Simplify right side
    38,559.42x = 766,902,392.10
  5. Step 5: Solve for x
    x = 766,902,392.10/38,559.42
  6. Step 6: Final answer
    x = 19,888.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.