Home / 22,730.40-34,095.60-7,152.80

Finding the Fourth Proportional to 22,730.40, 34,095.60 and 7,152.80

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Solution

The fourth proportional to 22,730.40, 34,095.60 and 7,152.80 is: 10,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,730.40 : 34,095.60 = 7,152.80 : x
  2. Step 2: Convert to fraction form
    22,730.40/34,095.60 = 7,152.80/x
  3. Step 3: Cross multiply
    22,730.40x = 34,095.60 × 7,152.80
  4. Step 4: Simplify right side
    22,730.40x = 243,879,007.68
  5. Step 5: Solve for x
    x = 243,879,007.68/22,730.40
  6. Step 6: Final answer
    x = 10,729.20

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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.