Home / 28,759.35-39,686.43-16,184.91

Finding the Fourth Proportional to 28,759.35, 39,686.43 and 16,184.91

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Solution

The fourth proportional to 28,759.35, 39,686.43 and 16,184.91 is: 22,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.35 : 39,686.43 = 16,184.91 : x
  2. Step 2: Convert to fraction form
    28,759.35/39,686.43 = 16,184.91/x
  3. Step 3: Cross multiply
    28,759.35x = 39,686.43 × 16,184.91
  4. Step 4: Simplify right side
    28,759.35x = 642,321,297.77
  5. Step 5: Solve for x
    x = 642,321,297.77/28,759.35
  6. Step 6: Final answer
    x = 22,334.35

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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.