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Finding the Fourth Proportional to 28,866, 43,300.26 and 9,146.01

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Solution

The fourth proportional to 28,866, 43,300.26 and 9,146.01 is: 13,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866 : 43,300.26 = 9,146.01 : x
  2. Step 2: Convert to fraction form
    28,866/43,300.26 = 9,146.01/x
  3. Step 3: Cross multiply
    28,866x = 43,300.26 × 9,146.01
  4. Step 4: Simplify right side
    28,866x = 396,024,610.96
  5. Step 5: Solve for x
    x = 396,024,610.96/28,866
  6. Step 6: Final answer
    x = 13,719.41

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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.