Home / 28,821.63-39,774.45-16,246.38

Finding the Fourth Proportional to 28,821.63, 39,774.45 and 16,246.38

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Solution

The fourth proportional to 28,821.63, 39,774.45 and 16,246.38 is: 22,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.63 : 39,774.45 = 16,246.38 : x
  2. Step 2: Convert to fraction form
    28,821.63/39,774.45 = 16,246.38/x
  3. Step 3: Cross multiply
    28,821.63x = 39,774.45 × 16,246.38
  4. Step 4: Simplify right side
    28,821.63x = 646,190,828.99
  5. Step 5: Solve for x
    x = 646,190,828.99/28,821.63
  6. Step 6: Final answer
    x = 22,420.34

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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.