Home / 22,364.80-33,547.20-20,137.60

Finding the Fourth Proportional to 22,364.80, 33,547.20 and 20,137.60

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Solution

The fourth proportional to 22,364.80, 33,547.20 and 20,137.60 is: 30,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,364.80 : 33,547.20 = 20,137.60 : x
  2. Step 2: Convert to fraction form
    22,364.80/33,547.20 = 20,137.60/x
  3. Step 3: Cross multiply
    22,364.80x = 33,547.20 × 20,137.60
  4. Step 4: Simplify right side
    22,364.80x = 675,560,094.72
  5. Step 5: Solve for x
    x = 675,560,094.72/22,364.80
  6. Step 6: Final answer
    x = 30,206.40

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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.