Home / 28,816.08-39,770.09-16,884.17

Finding the Fourth Proportional to 28,816.08, 39,770.09 and 16,884.17

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Solution

The fourth proportional to 28,816.08, 39,770.09 and 16,884.17 is: 23,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.08 : 39,770.09 = 16,884.17 : x
  2. Step 2: Convert to fraction form
    28,816.08/39,770.09 = 16,884.17/x
  3. Step 3: Cross multiply
    28,816.08x = 39,770.09 × 16,884.17
  4. Step 4: Simplify right side
    28,816.08x = 671,484,889.66
  5. Step 5: Solve for x
    x = 671,484,889.66/28,816.08
  6. Step 6: Final answer
    x = 23,302.44

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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.