Home / 28,792.41-43,190.16-9,072.51

Finding the Fourth Proportional to 28,792.41, 43,190.16 and 9,072.51

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Solution

The fourth proportional to 28,792.41, 43,190.16 and 9,072.51 is: 13,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.41 : 43,190.16 = 9,072.51 : x
  2. Step 2: Convert to fraction form
    28,792.41/43,190.16 = 9,072.51/x
  3. Step 3: Cross multiply
    28,792.41x = 43,190.16 × 9,072.51
  4. Step 4: Simplify right side
    28,792.41x = 391,843,158.50
  5. Step 5: Solve for x
    x = 391,843,158.50/28,792.41
  6. Step 6: Final answer
    x = 13,609.25

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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.