Home / 28,825.86-39,774.56-16,250.60

Finding the Fourth Proportional to 28,825.86, 39,774.56 and 16,250.60

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Solution

The fourth proportional to 28,825.86, 39,774.56 and 16,250.60 is: 22,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.86 : 39,774.56 = 16,250.60 : x
  2. Step 2: Convert to fraction form
    28,825.86/39,774.56 = 16,250.60/x
  3. Step 3: Cross multiply
    28,825.86x = 39,774.56 × 16,250.60
  4. Step 4: Simplify right side
    28,825.86x = 646,360,464.74
  5. Step 5: Solve for x
    x = 646,360,464.74/28,825.86
  6. Step 6: Final answer
    x = 22,422.94

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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.