Home / 28,653.60-39,541.35-15,906.03

Finding the Fourth Proportional to 28,653.60, 39,541.35 and 15,906.03

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Solution

The fourth proportional to 28,653.60, 39,541.35 and 15,906.03 is: 21,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.60 : 39,541.35 = 15,906.03 : x
  2. Step 2: Convert to fraction form
    28,653.60/39,541.35 = 15,906.03/x
  3. Step 3: Cross multiply
    28,653.60x = 39,541.35 × 15,906.03
  4. Step 4: Simplify right side
    28,653.60x = 628,945,899.34
  5. Step 5: Solve for x
    x = 628,945,899.34/28,653.60
  6. Step 6: Final answer
    x = 21,949.98

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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.