Home / 28,698.32-39,625.80-23,134.16

Finding the Fourth Proportional to 28,698.32, 39,625.80 and 23,134.16

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Solution

The fourth proportional to 28,698.32, 39,625.80 and 23,134.16 is: 31,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.32 : 39,625.80 = 23,134.16 : x
  2. Step 2: Convert to fraction form
    28,698.32/39,625.80 = 23,134.16/x
  3. Step 3: Cross multiply
    28,698.32x = 39,625.80 × 23,134.16
  4. Step 4: Simplify right side
    28,698.32x = 916,709,597.33
  5. Step 5: Solve for x
    x = 916,709,597.33/28,698.32
  6. Step 6: Final answer
    x = 31,942.97

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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.