Home / 28,656.89-39,546.53-16,081.64

Finding the Fourth Proportional to 28,656.89, 39,546.53 and 16,081.64

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Solution

The fourth proportional to 28,656.89, 39,546.53 and 16,081.64 is: 22,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.89 : 39,546.53 = 16,081.64 : x
  2. Step 2: Convert to fraction form
    28,656.89/39,546.53 = 16,081.64/x
  3. Step 3: Cross multiply
    28,656.89x = 39,546.53 × 16,081.64
  4. Step 4: Simplify right side
    28,656.89x = 635,973,058.71
  5. Step 5: Solve for x
    x = 635,973,058.71/28,656.89
  6. Step 6: Final answer
    x = 22,192.68

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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.