Home / 27,202.08-40,764.81-21,630.69

Finding the Fourth Proportional to 27,202.08, 40,764.81 and 21,630.69

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Solution

The fourth proportional to 27,202.08, 40,764.81 and 21,630.69 is: 32,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,202.08 : 40,764.81 = 21,630.69 : x
  2. Step 2: Convert to fraction form
    27,202.08/40,764.81 = 21,630.69/x
  3. Step 3: Cross multiply
    27,202.08x = 40,764.81 × 21,630.69
  4. Step 4: Simplify right side
    27,202.08x = 881,770,968.02
  5. Step 5: Solve for x
    x = 881,770,968.02/27,202.08
  6. Step 6: Final answer
    x = 32,415.57

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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.