Home / 28,656.75-39,548.07-16,081.50

Finding the Fourth Proportional to 28,656.75, 39,548.07 and 16,081.50

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Solution

The fourth proportional to 28,656.75, 39,548.07 and 16,081.50 is: 22,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.75 : 39,548.07 = 16,081.50 : x
  2. Step 2: Convert to fraction form
    28,656.75/39,548.07 = 16,081.50/x
  3. Step 3: Cross multiply
    28,656.75x = 39,548.07 × 16,081.50
  4. Step 4: Simplify right side
    28,656.75x = 635,992,287.71
  5. Step 5: Solve for x
    x = 635,992,287.71/28,656.75
  6. Step 6: Final answer
    x = 22,193.45

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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.