Home / 28,087.36-38,768.30-17,470.68

Finding the Fourth Proportional to 28,087.36, 38,768.30 and 17,470.68

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Solution

The fourth proportional to 28,087.36, 38,768.30 and 17,470.68 is: 24,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.36 : 38,768.30 = 17,470.68 : x
  2. Step 2: Convert to fraction form
    28,087.36/38,768.30 = 17,470.68/x
  3. Step 3: Cross multiply
    28,087.36x = 38,768.30 × 17,470.68
  4. Step 4: Simplify right side
    28,087.36x = 677,308,563.44
  5. Step 5: Solve for x
    x = 677,308,563.44/28,087.36
  6. Step 6: Final answer
    x = 24,114.35

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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.