Home / 28,391.24-42,559.32-15,917.24

Finding the Fourth Proportional to 28,391.24, 42,559.32 and 15,917.24

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Solution

The fourth proportional to 28,391.24, 42,559.32 and 15,917.24 is: 23,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391.24 : 42,559.32 = 15,917.24 : x
  2. Step 2: Convert to fraction form
    28,391.24/42,559.32 = 15,917.24/x
  3. Step 3: Cross multiply
    28,391.24x = 42,559.32 × 15,917.24
  4. Step 4: Simplify right side
    28,391.24x = 677,426,910.68
  5. Step 5: Solve for x
    x = 677,426,910.68/28,391.24
  6. Step 6: Final answer
    x = 23,860.42

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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.