Home / 28,898.16-39,879.27-16,322.82

Finding the Fourth Proportional to 28,898.16, 39,879.27 and 16,322.82

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Solution

The fourth proportional to 28,898.16, 39,879.27 and 16,322.82 is: 22,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.16 : 39,879.27 = 16,322.82 : x
  2. Step 2: Convert to fraction form
    28,898.16/39,879.27 = 16,322.82/x
  3. Step 3: Cross multiply
    28,898.16x = 39,879.27 × 16,322.82
  4. Step 4: Simplify right side
    28,898.16x = 650,942,145.94
  5. Step 5: Solve for x
    x = 650,942,145.94/28,898.16
  6. Step 6: Final answer
    x = 22,525.38

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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.