Home / 28,440.37-42,666.04-10,908.83

Finding the Fourth Proportional to 28,440.37, 42,666.04 and 10,908.83

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Solution

The fourth proportional to 28,440.37, 42,666.04 and 10,908.83 is: 16,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.37 : 42,666.04 = 10,908.83 : x
  2. Step 2: Convert to fraction form
    28,440.37/42,666.04 = 10,908.83/x
  3. Step 3: Cross multiply
    28,440.37x = 42,666.04 × 10,908.83
  4. Step 4: Simplify right side
    28,440.37x = 465,436,496.53
  5. Step 5: Solve for x
    x = 465,436,496.53/28,440.37
  6. Step 6: Final answer
    x = 16,365.35

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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.