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Finding the Fourth Proportional to 25,054.68, 34,539.30 and 20,330.76

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Solution

The fourth proportional to 25,054.68, 34,539.30 and 20,330.76 is: 28,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,054.68 : 34,539.30 = 20,330.76 : x
  2. Step 2: Convert to fraction form
    25,054.68/34,539.30 = 20,330.76/x
  3. Step 3: Cross multiply
    25,054.68x = 34,539.30 × 20,330.76
  4. Step 4: Simplify right side
    25,054.68x = 702,210,218.87
  5. Step 5: Solve for x
    x = 702,210,218.87/25,054.68
  6. Step 6: Final answer
    x = 28,027.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.