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Finding the Fourth Proportional to 53,398.25, 80,094.62 and 15,958.63

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Solution

The fourth proportional to 53,398.25, 80,094.62 and 15,958.63 is: 23,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,398.25 : 80,094.62 = 15,958.63 : x
  2. Step 2: Convert to fraction form
    53,398.25/80,094.62 = 15,958.63/x
  3. Step 3: Cross multiply
    53,398.25x = 80,094.62 × 15,958.63
  4. Step 4: Simplify right side
    53,398.25x = 1,278,200,405.57
  5. Step 5: Solve for x
    x = 1,278,200,405.57/53,398.25
  6. Step 6: Final answer
    x = 23,937.12

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1.5x scale

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.