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Finding the Fourth Proportional to 29,127, 43,686.78 and 9,403.50

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Solution

The fourth proportional to 29,127, 43,686.78 and 9,403.50 is: 14,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,127 : 43,686.78 = 9,403.50 : x
  2. Step 2: Convert to fraction form
    29,127/43,686.78 = 9,403.50/x
  3. Step 3: Cross multiply
    29,127x = 43,686.78 × 9,403.50
  4. Step 4: Simplify right side
    29,127x = 410,808,635.73
  5. Step 5: Solve for x
    x = 410,808,635.73/29,127
  6. Step 6: Final answer
    x = 14,104.05

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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.