Home / 28,788.51-39,718.65-16,843.24

Finding the Fourth Proportional to 28,788.51, 39,718.65 and 16,843.24

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Solution

The fourth proportional to 28,788.51, 39,718.65 and 16,843.24 is: 23,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.51 : 39,718.65 = 16,843.24 : x
  2. Step 2: Convert to fraction form
    28,788.51/39,718.65 = 16,843.24/x
  3. Step 3: Cross multiply
    28,788.51x = 39,718.65 × 16,843.24
  4. Step 4: Simplify right side
    28,788.51x = 668,990,867.24
  5. Step 5: Solve for x
    x = 668,990,867.24/28,788.51
  6. Step 6: Final answer
    x = 23,238.12

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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.