Home / 28,678.58-43,023.27-8,952.38

Finding the Fourth Proportional to 28,678.58, 43,023.27 and 8,952.38

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Solution

The fourth proportional to 28,678.58, 43,023.27 and 8,952.38 is: 13,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678.58 : 43,023.27 = 8,952.38 : x
  2. Step 2: Convert to fraction form
    28,678.58/43,023.27 = 8,952.38/x
  3. Step 3: Cross multiply
    28,678.58x = 43,023.27 × 8,952.38
  4. Step 4: Simplify right side
    28,678.58x = 385,160,661.88
  5. Step 5: Solve for x
    x = 385,160,661.88/28,678.58
  6. Step 6: Final answer
    x = 13,430.26

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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.