Home / 28,064.54-42,087.60-9,339.44

Finding the Fourth Proportional to 28,064.54, 42,087.60 and 9,339.44

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Solution

The fourth proportional to 28,064.54, 42,087.60 and 9,339.44 is: 14,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.54 : 42,087.60 = 9,339.44 : x
  2. Step 2: Convert to fraction form
    28,064.54/42,087.60 = 9,339.44/x
  3. Step 3: Cross multiply
    28,064.54x = 42,087.60 × 9,339.44
  4. Step 4: Simplify right side
    28,064.54x = 393,074,614.94
  5. Step 5: Solve for x
    x = 393,074,614.94/28,064.54
  6. Step 6: Final answer
    x = 14,006.10

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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.