Home / 19,038.73-28,557.39-4,998.63

Finding the Fourth Proportional to 19,038.73, 28,557.39 and 4,998.63

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Solution

The fourth proportional to 19,038.73, 28,557.39 and 4,998.63 is: 7,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.73 : 28,557.39 = 4,998.63 : x
  2. Step 2: Convert to fraction form
    19,038.73/28,557.39 = 4,998.63/x
  3. Step 3: Cross multiply
    19,038.73x = 28,557.39 × 4,998.63
  4. Step 4: Simplify right side
    19,038.73x = 142,747,801.38
  5. Step 5: Solve for x
    x = 142,747,801.38/19,038.73
  6. Step 6: Final answer
    x = 7,497.76

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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.