Home / 18,797.37-28,030.11-18,628.65

Finding the Fourth Proportional to 18,797.37, 28,030.11 and 18,628.65

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Solution

The fourth proportional to 18,797.37, 28,030.11 and 18,628.65 is: 27,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.37 : 28,030.11 = 18,628.65 : x
  2. Step 2: Convert to fraction form
    18,797.37/28,030.11 = 18,628.65/x
  3. Step 3: Cross multiply
    18,797.37x = 28,030.11 × 18,628.65
  4. Step 4: Simplify right side
    18,797.37x = 522,163,108.65
  5. Step 5: Solve for x
    x = 522,163,108.65/18,797.37
  6. Step 6: Final answer
    x = 27,778.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.