Home / 28,807.06-43,206.94-11,289.19

Finding the Fourth Proportional to 28,807.06, 43,206.94 and 11,289.19

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Solution

The fourth proportional to 28,807.06, 43,206.94 and 11,289.19 is: 16,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.06 : 43,206.94 = 11,289.19 : x
  2. Step 2: Convert to fraction form
    28,807.06/43,206.94 = 11,289.19/x
  3. Step 3: Cross multiply
    28,807.06x = 43,206.94 × 11,289.19
  4. Step 4: Simplify right side
    28,807.06x = 487,771,354.98
  5. Step 5: Solve for x
    x = 487,771,354.98/28,807.06
  6. Step 6: Final answer
    x = 16,932.35

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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.