Home / 28,632.22-39,511.13-15,885.27

Finding the Fourth Proportional to 28,632.22, 39,511.13 and 15,885.27

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Solution

The fourth proportional to 28,632.22, 39,511.13 and 15,885.27 is: 21,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.22 : 39,511.13 = 15,885.27 : x
  2. Step 2: Convert to fraction form
    28,632.22/39,511.13 = 15,885.27/x
  3. Step 3: Cross multiply
    28,632.22x = 39,511.13 × 15,885.27
  4. Step 4: Simplify right side
    28,632.22x = 627,644,788.96
  5. Step 5: Solve for x
    x = 627,644,788.96/28,632.22
  6. Step 6: Final answer
    x = 21,920.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.