Home / 28,352.39-39,126.30-16,416.35

Finding the Fourth Proportional to 28,352.39, 39,126.30 and 16,416.35

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Solution

The fourth proportional to 28,352.39, 39,126.30 and 16,416.35 is: 22,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.39 : 39,126.30 = 16,416.35 : x
  2. Step 2: Convert to fraction form
    28,352.39/39,126.30 = 16,416.35/x
  3. Step 3: Cross multiply
    28,352.39x = 39,126.30 × 16,416.35
  4. Step 4: Simplify right side
    28,352.39x = 642,311,035.01
  5. Step 5: Solve for x
    x = 642,311,035.01/28,352.39
  6. Step 6: Final answer
    x = 22,654.56

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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.