Home / 28,804.77-43,178.81-12,176.28

Finding the Fourth Proportional to 28,804.77, 43,178.81 and 12,176.28

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Solution

The fourth proportional to 28,804.77, 43,178.81 and 12,176.28 is: 18,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.77 : 43,178.81 = 12,176.28 : x
  2. Step 2: Convert to fraction form
    28,804.77/43,178.81 = 12,176.28/x
  3. Step 3: Cross multiply
    28,804.77x = 43,178.81 × 12,176.28
  4. Step 4: Simplify right side
    28,804.77x = 525,757,219.75
  5. Step 5: Solve for x
    x = 525,757,219.75/28,804.77
  6. Step 6: Final answer
    x = 18,252.44

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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.