Home / 28,800.77-43,201.35-9,080.91

Finding the Fourth Proportional to 28,800.77, 43,201.35 and 9,080.91

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Solution

The fourth proportional to 28,800.77, 43,201.35 and 9,080.91 is: 13,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.77 : 43,201.35 = 9,080.91 : x
  2. Step 2: Convert to fraction form
    28,800.77/43,201.35 = 9,080.91/x
  3. Step 3: Cross multiply
    28,800.77x = 43,201.35 × 9,080.91
  4. Step 4: Simplify right side
    28,800.77x = 392,307,571.23
  5. Step 5: Solve for x
    x = 392,307,571.23/28,800.77
  6. Step 6: Final answer
    x = 13,621.43

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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.