Home / 28,372.05-42,545.77-9,647.07

Finding the Fourth Proportional to 28,372.05, 42,545.77 and 9,647.07

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Solution

The fourth proportional to 28,372.05, 42,545.77 and 9,647.07 is: 14,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.05 : 42,545.77 = 9,647.07 : x
  2. Step 2: Convert to fraction form
    28,372.05/42,545.77 = 9,647.07/x
  3. Step 3: Cross multiply
    28,372.05x = 42,545.77 × 9,647.07
  4. Step 4: Simplify right side
    28,372.05x = 410,441,837.73
  5. Step 5: Solve for x
    x = 410,441,837.73/28,372.05
  6. Step 6: Final answer
    x = 14,466.41

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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.