Home / 28,673.89-39,569.38-16,098.64

Finding the Fourth Proportional to 28,673.89, 39,569.38 and 16,098.64

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Solution

The fourth proportional to 28,673.89, 39,569.38 and 16,098.64 is: 22,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.89 : 39,569.38 = 16,098.64 : x
  2. Step 2: Convert to fraction form
    28,673.89/39,569.38 = 16,098.64/x
  3. Step 3: Cross multiply
    28,673.89x = 39,569.38 × 16,098.64
  4. Step 4: Simplify right side
    28,673.89x = 637,013,203.64
  5. Step 5: Solve for x
    x = 637,013,203.64/28,673.89
  6. Step 6: Final answer
    x = 22,215.79

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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.