Home / 22,865.20-34,300.32-7,279.20

Finding the Fourth Proportional to 22,865.20, 34,300.32 and 7,279.20

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Solution

The fourth proportional to 22,865.20, 34,300.32 and 7,279.20 is: 10,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.20 : 34,300.32 = 7,279.20 : x
  2. Step 2: Convert to fraction form
    22,865.20/34,300.32 = 7,279.20/x
  3. Step 3: Cross multiply
    22,865.20x = 34,300.32 × 7,279.20
  4. Step 4: Simplify right side
    22,865.20x = 249,678,889.34
  5. Step 5: Solve for x
    x = 249,678,889.34/22,865.20
  6. Step 6: Final answer
    x = 10,919.60

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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.