Home / 21,519.61-32,276.84-5,725.80

Finding the Fourth Proportional to 21,519.61, 32,276.84 and 5,725.80

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Solution

The fourth proportional to 21,519.61, 32,276.84 and 5,725.80 is: 8,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.61 : 32,276.84 = 5,725.80 : x
  2. Step 2: Convert to fraction form
    21,519.61/32,276.84 = 5,725.80/x
  3. Step 3: Cross multiply
    21,519.61x = 32,276.84 × 5,725.80
  4. Step 4: Simplify right side
    21,519.61x = 184,810,701.84
  5. Step 5: Solve for x
    x = 184,810,701.84/21,519.61
  6. Step 6: Final answer
    x = 8,588.01

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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.