Home / 28,830.51-43,230.72-11,055.87

Finding the Fourth Proportional to 28,830.51, 43,230.72 and 11,055.87

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Solution

The fourth proportional to 28,830.51, 43,230.72 and 11,055.87 is: 16,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.51 : 43,230.72 = 11,055.87 : x
  2. Step 2: Convert to fraction form
    28,830.51/43,230.72 = 11,055.87/x
  3. Step 3: Cross multiply
    28,830.51x = 43,230.72 × 11,055.87
  4. Step 4: Simplify right side
    28,830.51x = 477,953,220.33
  5. Step 5: Solve for x
    x = 477,953,220.33/28,830.51
  6. Step 6: Final answer
    x = 16,578.04

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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.