Home / 28,458.24-39,272.72-16,522.08

Finding the Fourth Proportional to 28,458.24, 39,272.72 and 16,522.08

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Solution

The fourth proportional to 28,458.24, 39,272.72 and 16,522.08 is: 22,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.24 : 39,272.72 = 16,522.08 : x
  2. Step 2: Convert to fraction form
    28,458.24/39,272.72 = 16,522.08/x
  3. Step 3: Cross multiply
    28,458.24x = 39,272.72 × 16,522.08
  4. Step 4: Simplify right side
    28,458.24x = 648,867,021.66
  5. Step 5: Solve for x
    x = 648,867,021.66/28,458.24
  6. Step 6: Final answer
    x = 22,800.67

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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.