Home / 28,537.72-39,383.46-16,440.01

Finding the Fourth Proportional to 28,537.72, 39,383.46 and 16,440.01

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Solution

The fourth proportional to 28,537.72, 39,383.46 and 16,440.01 is: 22,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.72 : 39,383.46 = 16,440.01 : x
  2. Step 2: Convert to fraction form
    28,537.72/39,383.46 = 16,440.01/x
  3. Step 3: Cross multiply
    28,537.72x = 39,383.46 × 16,440.01
  4. Step 4: Simplify right side
    28,537.72x = 647,464,377.78
  5. Step 5: Solve for x
    x = 647,464,377.78/28,537.72
  6. Step 6: Final answer
    x = 22,688.02

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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.