Home / 21,368.32-32,054.30-5,575.44

Finding the Fourth Proportional to 21,368.32, 32,054.30 and 5,575.44

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Solution

The fourth proportional to 21,368.32, 32,054.30 and 5,575.44 is: 8,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.32 : 32,054.30 = 5,575.44 : x
  2. Step 2: Convert to fraction form
    21,368.32/32,054.30 = 5,575.44/x
  3. Step 3: Cross multiply
    21,368.32x = 32,054.30 × 5,575.44
  4. Step 4: Simplify right side
    21,368.32x = 178,716,826.39
  5. Step 5: Solve for x
    x = 178,716,826.39/21,368.32
  6. Step 6: Final answer
    x = 8,363.63

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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.