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Finding the Fourth Proportional to 35,697.96, 53,531.40 and 19,054.28

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Solution

The fourth proportional to 35,697.96, 53,531.40 and 19,054.28 is: 28,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,697.96 : 53,531.40 = 19,054.28 : x
  2. Step 2: Convert to fraction form
    35,697.96/53,531.40 = 19,054.28/x
  3. Step 3: Cross multiply
    35,697.96x = 53,531.40 × 19,054.28
  4. Step 4: Simplify right side
    35,697.96x = 1,020,002,284.39
  5. Step 5: Solve for x
    x = 1,020,002,284.39/35,697.96
  6. Step 6: Final answer
    x = 28,573.13

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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.