Home / 65,409.12-98,027.28-23,816.16

Finding the Fourth Proportional to 65,409.12, 98,027.28 and 23,816.16

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Solution

The fourth proportional to 65,409.12, 98,027.28 and 23,816.16 is: 35,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,409.12 : 98,027.28 = 23,816.16 : x
  2. Step 2: Convert to fraction form
    65,409.12/98,027.28 = 23,816.16/x
  3. Step 3: Cross multiply
    65,409.12x = 98,027.28 × 23,816.16
  4. Step 4: Simplify right side
    65,409.12x = 2,334,633,384.84
  5. Step 5: Solve for x
    x = 2,334,633,384.84/65,409.12
  6. Step 6: Final answer
    x = 35,692.78

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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.