Home / 28,823.85-39,771.81-16,248.60

Finding the Fourth Proportional to 28,823.85, 39,771.81 and 16,248.60

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Solution

The fourth proportional to 28,823.85, 39,771.81 and 16,248.60 is: 22,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.85 : 39,771.81 = 16,248.60 : x
  2. Step 2: Convert to fraction form
    28,823.85/39,771.81 = 16,248.60/x
  3. Step 3: Cross multiply
    28,823.85x = 39,771.81 × 16,248.60
  4. Step 4: Simplify right side
    28,823.85x = 646,236,231.97
  5. Step 5: Solve for x
    x = 646,236,231.97/28,823.85
  6. Step 6: Final answer
    x = 22,420.19

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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.