Home / 28,555.23-42,827.69-7,773.87

Finding the Fourth Proportional to 28,555.23, 42,827.69 and 7,773.87

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Solution

The fourth proportional to 28,555.23, 42,827.69 and 7,773.87 is: 11,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555.23 : 42,827.69 = 7,773.87 : x
  2. Step 2: Convert to fraction form
    28,555.23/42,827.69 = 7,773.87/x
  3. Step 3: Cross multiply
    28,555.23x = 42,827.69 × 7,773.87
  4. Step 4: Simplify right side
    28,555.23x = 332,936,855.59
  5. Step 5: Solve for x
    x = 332,936,855.59/28,555.23
  6. Step 6: Final answer
    x = 11,659.40

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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.