Home / 28,226.92-42,339.06-11,582.84

Finding the Fourth Proportional to 28,226.92, 42,339.06 and 11,582.84

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Solution

The fourth proportional to 28,226.92, 42,339.06 and 11,582.84 is: 17,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.92 : 42,339.06 = 11,582.84 : x
  2. Step 2: Convert to fraction form
    28,226.92/42,339.06 = 11,582.84/x
  3. Step 3: Cross multiply
    28,226.92x = 42,339.06 × 11,582.84
  4. Step 4: Simplify right side
    28,226.92x = 490,406,557.73
  5. Step 5: Solve for x
    x = 490,406,557.73/28,226.92
  6. Step 6: Final answer
    x = 17,373.72

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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.