Home / 21,375.36-32,063.05-5,580.35

Finding the Fourth Proportional to 21,375.36, 32,063.05 and 5,580.35

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Solution

The fourth proportional to 21,375.36, 32,063.05 and 5,580.35 is: 8,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.36 : 32,063.05 = 5,580.35 : x
  2. Step 2: Convert to fraction form
    21,375.36/32,063.05 = 5,580.35/x
  3. Step 3: Cross multiply
    21,375.36x = 32,063.05 × 5,580.35
  4. Step 4: Simplify right side
    21,375.36x = 178,923,041.07
  5. Step 5: Solve for x
    x = 178,923,041.07/21,375.36
  6. Step 6: Final answer
    x = 8,370.53

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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.