Home / 28,792.92-39,735.58-16,860.10

Finding the Fourth Proportional to 28,792.92, 39,735.58 and 16,860.10

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Solution

The fourth proportional to 28,792.92, 39,735.58 and 16,860.10 is: 23,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.92 : 39,735.58 = 16,860.10 : x
  2. Step 2: Convert to fraction form
    28,792.92/39,735.58 = 16,860.10/x
  3. Step 3: Cross multiply
    28,792.92x = 39,735.58 × 16,860.10
  4. Step 4: Simplify right side
    28,792.92x = 669,945,569.38
  5. Step 5: Solve for x
    x = 669,945,569.38/28,792.92
  6. Step 6: Final answer
    x = 23,267.72

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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.