Home / 28,880.51-43,390.77-27,287.39

Finding the Fourth Proportional to 28,880.51, 43,390.77 and 27,287.39

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Solution

The fourth proportional to 28,880.51, 43,390.77 and 27,287.39 is: 40,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.51 : 43,390.77 = 27,287.39 : x
  2. Step 2: Convert to fraction form
    28,880.51/43,390.77 = 27,287.39/x
  3. Step 3: Cross multiply
    28,880.51x = 43,390.77 × 27,287.39
  4. Step 4: Simplify right side
    28,880.51x = 1,184,020,971.87
  5. Step 5: Solve for x
    x = 1,184,020,971.87/28,880.51
  6. Step 6: Final answer
    x = 40,997.24

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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.