Home / 28,863.64-39,820.85-17,528.84

Finding the Fourth Proportional to 28,863.64, 39,820.85 and 17,528.84

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Solution

The fourth proportional to 28,863.64, 39,820.85 and 17,528.84 is: 24,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.64 : 39,820.85 = 17,528.84 : x
  2. Step 2: Convert to fraction form
    28,863.64/39,820.85 = 17,528.84/x
  3. Step 3: Cross multiply
    28,863.64x = 39,820.85 × 17,528.84
  4. Step 4: Simplify right side
    28,863.64x = 698,013,236.63
  5. Step 5: Solve for x
    x = 698,013,236.63/28,863.64
  6. Step 6: Final answer
    x = 24,183.13

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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.