Home / 28,120.04-38,804.14-15,544.04

Finding the Fourth Proportional to 28,120.04, 38,804.14 and 15,544.04

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Solution

The fourth proportional to 28,120.04, 38,804.14 and 15,544.04 is: 21,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,120.04 : 38,804.14 = 15,544.04 : x
  2. Step 2: Convert to fraction form
    28,120.04/38,804.14 = 15,544.04/x
  3. Step 3: Cross multiply
    28,120.04x = 38,804.14 × 15,544.04
  4. Step 4: Simplify right side
    28,120.04x = 603,173,104.33
  5. Step 5: Solve for x
    x = 603,173,104.33/28,120.04
  6. Step 6: Final answer
    x = 21,449.94

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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.