Home / 28,662.87-42,698.70-27,792.39

Finding the Fourth Proportional to 28,662.87, 42,698.70 and 27,792.39

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Solution

The fourth proportional to 28,662.87, 42,698.70 and 27,792.39 is: 41,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.87 : 42,698.70 = 27,792.39 : x
  2. Step 2: Convert to fraction form
    28,662.87/42,698.70 = 27,792.39/x
  3. Step 3: Cross multiply
    28,662.87x = 42,698.70 × 27,792.39
  4. Step 4: Simplify right side
    28,662.87x = 1,186,698,922.89
  5. Step 5: Solve for x
    x = 1,186,698,922.89/28,662.87
  6. Step 6: Final answer
    x = 41,401.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.