Home / 28,811.10-43,216.65-9,091.17

Finding the Fourth Proportional to 28,811.10, 43,216.65 and 9,091.17

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Solution

The fourth proportional to 28,811.10, 43,216.65 and 9,091.17 is: 13,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.10 : 43,216.65 = 9,091.17 : x
  2. Step 2: Convert to fraction form
    28,811.10/43,216.65 = 9,091.17/x
  3. Step 3: Cross multiply
    28,811.10x = 43,216.65 × 9,091.17
  4. Step 4: Simplify right side
    28,811.10x = 392,889,911.98
  5. Step 5: Solve for x
    x = 392,889,911.98/28,811.10
  6. Step 6: Final answer
    x = 13,636.76

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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.