Home / 28,776.06-43,171.00-9,054.64

Finding the Fourth Proportional to 28,776.06, 43,171.00 and 9,054.64

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Solution

The fourth proportional to 28,776.06, 43,171.00 and 9,054.64 is: 13,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.06 : 43,171.00 = 9,054.64 : x
  2. Step 2: Convert to fraction form
    28,776.06/43,171.00 = 9,054.64/x
  3. Step 3: Cross multiply
    28,776.06x = 43,171.00 × 9,054.64
  4. Step 4: Simplify right side
    28,776.06x = 390,897,677.40
  5. Step 5: Solve for x
    x = 390,897,677.40/28,776.06
  6. Step 6: Final answer
    x = 13,584.13

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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.