Home / 28,618.68-39,493.62-16,043.16

Finding the Fourth Proportional to 28,618.68, 39,493.62 and 16,043.16

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Solution

The fourth proportional to 28,618.68, 39,493.62 and 16,043.16 is: 22,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618.68 : 39,493.62 = 16,043.16 : x
  2. Step 2: Convert to fraction form
    28,618.68/39,493.62 = 16,043.16/x
  3. Step 3: Cross multiply
    28,618.68x = 39,493.62 × 16,043.16
  4. Step 4: Simplify right side
    28,618.68x = 633,602,464.64
  5. Step 5: Solve for x
    x = 633,602,464.64/28,618.68
  6. Step 6: Final answer
    x = 22,139.47

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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.