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Finding the Fourth Proportional to 44,358.96, 66,538.44 and 25,878

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Solution

The fourth proportional to 44,358.96, 66,538.44 and 25,878 is: 38,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,358.96 : 66,538.44 = 25,878 : x
  2. Step 2: Convert to fraction form
    44,358.96/66,538.44 = 25,878/x
  3. Step 3: Cross multiply
    44,358.96x = 66,538.44 × 25,878
  4. Step 4: Simplify right side
    44,358.96x = 1,721,881,750.32
  5. Step 5: Solve for x
    x = 1,721,881,750.32/44,358.96
  6. Step 6: Final answer
    x = 38,817.00

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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.