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Finding the Fourth Proportional to 35,260.40, 52,890.48 and 8,965.52

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Solution

The fourth proportional to 35,260.40, 52,890.48 and 8,965.52 is: 13,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,260.40 : 52,890.48 = 8,965.52 : x
  2. Step 2: Convert to fraction form
    35,260.40/52,890.48 = 8,965.52/x
  3. Step 3: Cross multiply
    35,260.40x = 52,890.48 × 8,965.52
  4. Step 4: Simplify right side
    35,260.40x = 474,190,656.25
  5. Step 5: Solve for x
    x = 474,190,656.25/35,260.40
  6. Step 6: Final answer
    x = 13,448.25

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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.