Home / 21,485.48-32,245.58-14,817.92

Finding the Fourth Proportional to 21,485.48, 32,245.58 and 14,817.92

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Solution

The fourth proportional to 21,485.48, 32,245.58 and 14,817.92 is: 22,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.48 : 32,245.58 = 14,817.92 : x
  2. Step 2: Convert to fraction form
    21,485.48/32,245.58 = 14,817.92/x
  3. Step 3: Cross multiply
    21,485.48x = 32,245.58 × 14,817.92
  4. Step 4: Simplify right side
    21,485.48x = 477,812,300.61
  5. Step 5: Solve for x
    x = 477,812,300.61/21,485.48
  6. Step 6: Final answer
    x = 22,238.85

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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.