Home / 19,285.30-28,923.89-7,435.00

Finding the Fourth Proportional to 19,285.30, 28,923.89 and 7,435.00

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Solution

The fourth proportional to 19,285.30, 28,923.89 and 7,435.00 is: 11,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.30 : 28,923.89 = 7,435.00 : x
  2. Step 2: Convert to fraction form
    19,285.30/28,923.89 = 7,435.00/x
  3. Step 3: Cross multiply
    19,285.30x = 28,923.89 × 7,435.00
  4. Step 4: Simplify right side
    19,285.30x = 215,049,068.43
  5. Step 5: Solve for x
    x = 215,049,068.43/19,285.30
  6. Step 6: Final answer
    x = 11,150.93

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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.