Home / 28,652.64-39,531.15-17,325.60

Finding the Fourth Proportional to 28,652.64, 39,531.15 and 17,325.60

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Solution

The fourth proportional to 28,652.64, 39,531.15 and 17,325.60 is: 23,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.64 : 39,531.15 = 17,325.60 : x
  2. Step 2: Convert to fraction form
    28,652.64/39,531.15 = 17,325.60/x
  3. Step 3: Cross multiply
    28,652.64x = 39,531.15 × 17,325.60
  4. Step 4: Simplify right side
    28,652.64x = 684,900,892.44
  5. Step 5: Solve for x
    x = 684,900,892.44/28,652.64
  6. Step 6: Final answer
    x = 23,903.59

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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.