Home / 38,479.80-57,675.96-16,279.32

Finding the Fourth Proportional to 38,479.80, 57,675.96 and 16,279.32

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Solution

The fourth proportional to 38,479.80, 57,675.96 and 16,279.32 is: 24,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.80 : 57,675.96 = 16,279.32 : x
  2. Step 2: Convert to fraction form
    38,479.80/57,675.96 = 16,279.32/x
  3. Step 3: Cross multiply
    38,479.80x = 57,675.96 × 16,279.32
  4. Step 4: Simplify right side
    38,479.80x = 938,925,409.15
  5. Step 5: Solve for x
    x = 938,925,409.15/38,479.80
  6. Step 6: Final answer
    x = 24,400.48

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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.