Home / 19,207-28,811.58-5,357.08

Finding the Fourth Proportional to 19,207, 28,811.58 and 5,357.08

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Solution

The fourth proportional to 19,207, 28,811.58 and 5,357.08 is: 8,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207 : 28,811.58 = 5,357.08 : x
  2. Step 2: Convert to fraction form
    19,207/28,811.58 = 5,357.08/x
  3. Step 3: Cross multiply
    19,207x = 28,811.58 × 5,357.08
  4. Step 4: Simplify right side
    19,207x = 154,345,938.99
  5. Step 5: Solve for x
    x = 154,345,938.99/19,207
  6. Step 6: Final answer
    x = 8,035.92

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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.