Home / 21,575.83-32,368.36-12,220.27

Finding the Fourth Proportional to 21,575.83, 32,368.36 and 12,220.27

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Solution

The fourth proportional to 21,575.83, 32,368.36 and 12,220.27 is: 18,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.83 : 32,368.36 = 12,220.27 : x
  2. Step 2: Convert to fraction form
    21,575.83/32,368.36 = 12,220.27/x
  3. Step 3: Cross multiply
    21,575.83x = 32,368.36 × 12,220.27
  4. Step 4: Simplify right side
    21,575.83x = 395,550,098.66
  5. Step 5: Solve for x
    x = 395,550,098.66/21,575.83
  6. Step 6: Final answer
    x = 18,333.02

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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.