Home / 21,686.40-32,529.60-6,104.02

Finding the Fourth Proportional to 21,686.40, 32,529.60 and 6,104.02

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Solution

The fourth proportional to 21,686.40, 32,529.60 and 6,104.02 is: 9,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.40 : 32,529.60 = 6,104.02 : x
  2. Step 2: Convert to fraction form
    21,686.40/32,529.60 = 6,104.02/x
  3. Step 3: Cross multiply
    21,686.40x = 32,529.60 × 6,104.02
  4. Step 4: Simplify right side
    21,686.40x = 198,561,328.99
  5. Step 5: Solve for x
    x = 198,561,328.99/21,686.40
  6. Step 6: Final answer
    x = 9,156.03

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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.