Home / 28,540.86-39,394.30-16,606.50

Finding the Fourth Proportional to 28,540.86, 39,394.30 and 16,606.50

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Solution

The fourth proportional to 28,540.86, 39,394.30 and 16,606.50 is: 22,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.86 : 39,394.30 = 16,606.50 : x
  2. Step 2: Convert to fraction form
    28,540.86/39,394.30 = 16,606.50/x
  3. Step 3: Cross multiply
    28,540.86x = 39,394.30 × 16,606.50
  4. Step 4: Simplify right side
    28,540.86x = 654,201,442.95
  5. Step 5: Solve for x
    x = 654,201,442.95/28,540.86
  6. Step 6: Final answer
    x = 22,921.57

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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.