Home / 28,767.24-39,698.40-16,020.06

Finding the Fourth Proportional to 28,767.24, 39,698.40 and 16,020.06

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Solution

The fourth proportional to 28,767.24, 39,698.40 and 16,020.06 is: 22,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.24 : 39,698.40 = 16,020.06 : x
  2. Step 2: Convert to fraction form
    28,767.24/39,698.40 = 16,020.06/x
  3. Step 3: Cross multiply
    28,767.24x = 39,698.40 × 16,020.06
  4. Step 4: Simplify right side
    28,767.24x = 635,970,749.90
  5. Step 5: Solve for x
    x = 635,970,749.90/28,767.24
  6. Step 6: Final answer
    x = 22,107.46

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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.