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Finding the Fourth Proportional to 47,027.88, 64,899.54 and 25,808.49

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Solution

The fourth proportional to 47,027.88, 64,899.54 and 25,808.49 is: 35,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,027.88 : 64,899.54 = 25,808.49 : x
  2. Step 2: Convert to fraction form
    47,027.88/64,899.54 = 25,808.49/x
  3. Step 3: Cross multiply
    47,027.88x = 64,899.54 × 25,808.49
  4. Step 4: Simplify right side
    47,027.88x = 1,674,959,129.09
  5. Step 5: Solve for x
    x = 1,674,959,129.09/47,027.88
  6. Step 6: Final answer
    x = 35,616.30

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1.5x scale

Why These Related Problems?

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