Home / 28,657.22-39,544.38-16,718.25

Finding the Fourth Proportional to 28,657.22, 39,544.38 and 16,718.25

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Solution

The fourth proportional to 28,657.22, 39,544.38 and 16,718.25 is: 23,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.22 : 39,544.38 = 16,718.25 : x
  2. Step 2: Convert to fraction form
    28,657.22/39,544.38 = 16,718.25/x
  3. Step 3: Cross multiply
    28,657.22x = 39,544.38 × 16,718.25
  4. Step 4: Simplify right side
    28,657.22x = 661,112,709.77
  5. Step 5: Solve for x
    x = 661,112,709.77/28,657.22
  6. Step 6: Final answer
    x = 23,069.68

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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.