Home / 22,857.20-34,288.32-7,271.18

Finding the Fourth Proportional to 22,857.20, 34,288.32 and 7,271.18

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Solution

The fourth proportional to 22,857.20, 34,288.32 and 7,271.18 is: 10,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,857.20 : 34,288.32 = 7,271.18 : x
  2. Step 2: Convert to fraction form
    22,857.20/34,288.32 = 7,271.18/x
  3. Step 3: Cross multiply
    22,857.20x = 34,288.32 × 7,271.18
  4. Step 4: Simplify right side
    22,857.20x = 249,316,546.62
  5. Step 5: Solve for x
    x = 249,316,546.62/22,857.20
  6. Step 6: Final answer
    x = 10,907.57

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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.