Home / 28,064.07-42,086.84-9,338.94

Finding the Fourth Proportional to 28,064.07, 42,086.84 and 9,338.94

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Solution

The fourth proportional to 28,064.07, 42,086.84 and 9,338.94 is: 14,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.07 : 42,086.84 = 9,338.94 : x
  2. Step 2: Convert to fraction form
    28,064.07/42,086.84 = 9,338.94/x
  3. Step 3: Cross multiply
    28,064.07x = 42,086.84 × 9,338.94
  4. Step 4: Simplify right side
    28,064.07x = 393,046,426.85
  5. Step 5: Solve for x
    x = 393,046,426.85/28,064.07
  6. Step 6: Final answer
    x = 14,005.33

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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.