Home / 20,632.20-30,943.32-9,528.21

Finding the Fourth Proportional to 20,632.20, 30,943.32 and 9,528.21

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Solution

The fourth proportional to 20,632.20, 30,943.32 and 9,528.21 is: 14,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.20 : 30,943.32 = 9,528.21 : x
  2. Step 2: Convert to fraction form
    20,632.20/30,943.32 = 9,528.21/x
  3. Step 3: Cross multiply
    20,632.20x = 30,943.32 × 9,528.21
  4. Step 4: Simplify right side
    20,632.20x = 294,834,415.33
  5. Step 5: Solve for x
    x = 294,834,415.33/20,632.20
  6. Step 6: Final answer
    x = 14,290.02

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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.