Home / 28,535.55-42,800.08-11,003.91

Finding the Fourth Proportional to 28,535.55, 42,800.08 and 11,003.91

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Solution

The fourth proportional to 28,535.55, 42,800.08 and 11,003.91 is: 16,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.55 : 42,800.08 = 11,003.91 : x
  2. Step 2: Convert to fraction form
    28,535.55/42,800.08 = 11,003.91/x
  3. Step 3: Cross multiply
    28,535.55x = 42,800.08 × 11,003.91
  4. Step 4: Simplify right side
    28,535.55x = 470,968,228.31
  5. Step 5: Solve for x
    x = 470,968,228.31/28,535.55
  6. Step 6: Final answer
    x = 16,504.61

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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.