Home / 28,563.27-42,885.21-17,999.04

Finding the Fourth Proportional to 28,563.27, 42,885.21 and 17,999.04

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Solution

The fourth proportional to 28,563.27, 42,885.21 and 17,999.04 is: 27,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.27 : 42,885.21 = 17,999.04 : x
  2. Step 2: Convert to fraction form
    28,563.27/42,885.21 = 17,999.04/x
  3. Step 3: Cross multiply
    28,563.27x = 42,885.21 × 17,999.04
  4. Step 4: Simplify right side
    28,563.27x = 771,892,838.51
  5. Step 5: Solve for x
    x = 771,892,838.51/28,563.27
  6. Step 6: Final answer
    x = 27,023.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.