Home / 21,928.64-32,901.60-9,608

Finding the Fourth Proportional to 21,928.64, 32,901.60 and 9,608

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Solution

The fourth proportional to 21,928.64, 32,901.60 and 9,608 is: 14,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.64 : 32,901.60 = 9,608 : x
  2. Step 2: Convert to fraction form
    21,928.64/32,901.60 = 9,608/x
  3. Step 3: Cross multiply
    21,928.64x = 32,901.60 × 9,608
  4. Step 4: Simplify right side
    21,928.64x = 316,118,572.80
  5. Step 5: Solve for x
    x = 316,118,572.80/21,928.64
  6. Step 6: Final answer
    x = 14,415.79

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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.