Home / 28,974.48-39,983.40-17,794.32

Finding the Fourth Proportional to 28,974.48, 39,983.40 and 17,794.32

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Solution

The fourth proportional to 28,974.48, 39,983.40 and 17,794.32 is: 24,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.48 : 39,983.40 = 17,794.32 : x
  2. Step 2: Convert to fraction form
    28,974.48/39,983.40 = 17,794.32/x
  3. Step 3: Cross multiply
    28,974.48x = 39,983.40 × 17,794.32
  4. Step 4: Simplify right side
    28,974.48x = 711,477,414.29
  5. Step 5: Solve for x
    x = 711,477,414.29/28,974.48
  6. Step 6: Final answer
    x = 24,555.31

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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.