Home / 28,325.88-42,483.06-26,920.80

Finding the Fourth Proportional to 28,325.88, 42,483.06 and 26,920.80

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Solution

The fourth proportional to 28,325.88, 42,483.06 and 26,920.80 is: 40,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.88 : 42,483.06 = 26,920.80 : x
  2. Step 2: Convert to fraction form
    28,325.88/42,483.06 = 26,920.80/x
  3. Step 3: Cross multiply
    28,325.88x = 42,483.06 × 26,920.80
  4. Step 4: Simplify right side
    28,325.88x = 1,143,677,961.65
  5. Step 5: Solve for x
    x = 1,143,677,961.65/28,325.88
  6. Step 6: Final answer
    x = 40,375.73

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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.