Home / 38,623.44-57,907.64-13,658.32

Finding the Fourth Proportional to 38,623.44, 57,907.64 and 13,658.32

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Solution

The fourth proportional to 38,623.44, 57,907.64 and 13,658.32 is: 20,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,623.44 : 57,907.64 = 13,658.32 : x
  2. Step 2: Convert to fraction form
    38,623.44/57,907.64 = 13,658.32/x
  3. Step 3: Cross multiply
    38,623.44x = 57,907.64 × 13,658.32
  4. Step 4: Simplify right side
    38,623.44x = 790,921,077.56
  5. Step 5: Solve for x
    x = 790,921,077.56/38,623.44
  6. Step 6: Final answer
    x = 20,477.75

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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.