Home / 28,150.23-42,231.36-10,380.93

Finding the Fourth Proportional to 28,150.23, 42,231.36 and 10,380.93

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Solution

The fourth proportional to 28,150.23, 42,231.36 and 10,380.93 is: 15,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.23 : 42,231.36 = 10,380.93 : x
  2. Step 2: Convert to fraction form
    28,150.23/42,231.36 = 10,380.93/x
  3. Step 3: Cross multiply
    28,150.23x = 42,231.36 × 10,380.93
  4. Step 4: Simplify right side
    28,150.23x = 438,400,740.06
  5. Step 5: Solve for x
    x = 438,400,740.06/28,150.23
  6. Step 6: Final answer
    x = 15,573.61

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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.