Home / 28,984.50-39,999.42-16,410.06

Finding the Fourth Proportional to 28,984.50, 39,999.42 and 16,410.06

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Solution

The fourth proportional to 28,984.50, 39,999.42 and 16,410.06 is: 22,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.50 : 39,999.42 = 16,410.06 : x
  2. Step 2: Convert to fraction form
    28,984.50/39,999.42 = 16,410.06/x
  3. Step 3: Cross multiply
    28,984.50x = 39,999.42 × 16,410.06
  4. Step 4: Simplify right side
    28,984.50x = 656,392,882.17
  5. Step 5: Solve for x
    x = 656,392,882.17/28,984.50
  6. Step 6: Final answer
    x = 22,646.34

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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.