Home / 19,002.64-28,488.58-7,917.66

Finding the Fourth Proportional to 19,002.64, 28,488.58 and 7,917.66

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Solution

The fourth proportional to 19,002.64, 28,488.58 and 7,917.66 is: 11,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.64 : 28,488.58 = 7,917.66 : x
  2. Step 2: Convert to fraction form
    19,002.64/28,488.58 = 7,917.66/x
  3. Step 3: Cross multiply
    19,002.64x = 28,488.58 × 7,917.66
  4. Step 4: Simplify right side
    19,002.64x = 225,562,890.32
  5. Step 5: Solve for x
    x = 225,562,890.32/19,002.64
  6. Step 6: Final answer
    x = 11,870.08

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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.