Home / 28,107.57-38,722.58-19,594.22

Finding the Fourth Proportional to 28,107.57, 38,722.58 and 19,594.22

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Solution

The fourth proportional to 28,107.57, 38,722.58 and 19,594.22 is: 26,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.57 : 38,722.58 = 19,594.22 : x
  2. Step 2: Convert to fraction form
    28,107.57/38,722.58 = 19,594.22/x
  3. Step 3: Cross multiply
    28,107.57x = 38,722.58 × 19,594.22
  4. Step 4: Simplify right side
    28,107.57x = 758,738,556.71
  5. Step 5: Solve for x
    x = 758,738,556.71/28,107.57
  6. Step 6: Final answer
    x = 26,994.10

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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.