Home / 21,847.36-32,778.20-7,056.40

Finding the Fourth Proportional to 21,847.36, 32,778.20 and 7,056.40

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Solution

The fourth proportional to 21,847.36, 32,778.20 and 7,056.40 is: 10,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.36 : 32,778.20 = 7,056.40 : x
  2. Step 2: Convert to fraction form
    21,847.36/32,778.20 = 7,056.40/x
  3. Step 3: Cross multiply
    21,847.36x = 32,778.20 × 7,056.40
  4. Step 4: Simplify right side
    21,847.36x = 231,296,090.48
  5. Step 5: Solve for x
    x = 231,296,090.48/21,847.36
  6. Step 6: Final answer
    x = 10,586.91

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1.5x scale

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.