Home / 28,840.13-39,797.84-16,264.07

Finding the Fourth Proportional to 28,840.13, 39,797.84 and 16,264.07

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Solution

The fourth proportional to 28,840.13, 39,797.84 and 16,264.07 is: 22,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.13 : 39,797.84 = 16,264.07 : x
  2. Step 2: Convert to fraction form
    28,840.13/39,797.84 = 16,264.07/x
  3. Step 3: Cross multiply
    28,840.13x = 39,797.84 × 16,264.07
  4. Step 4: Simplify right side
    28,840.13x = 647,274,656.62
  5. Step 5: Solve for x
    x = 647,274,656.62/28,840.13
  6. Step 6: Final answer
    x = 22,443.55

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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.