Home / 28,458.34-39,269.41-16,519.75

Finding the Fourth Proportional to 28,458.34, 39,269.41 and 16,519.75

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Solution

The fourth proportional to 28,458.34, 39,269.41 and 16,519.75 is: 22,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.34 : 39,269.41 = 16,519.75 : x
  2. Step 2: Convert to fraction form
    28,458.34/39,269.41 = 16,519.75/x
  3. Step 3: Cross multiply
    28,458.34x = 39,269.41 × 16,519.75
  4. Step 4: Simplify right side
    28,458.34x = 648,720,696.37
  5. Step 5: Solve for x
    x = 648,720,696.37/28,458.34
  6. Step 6: Final answer
    x = 22,795.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.