Home / 28,907.43-39,892.52-16,970.96

Finding the Fourth Proportional to 28,907.43, 39,892.52 and 16,970.96

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Solution

The fourth proportional to 28,907.43, 39,892.52 and 16,970.96 is: 23,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.43 : 39,892.52 = 16,970.96 : x
  2. Step 2: Convert to fraction form
    28,907.43/39,892.52 = 16,970.96/x
  3. Step 3: Cross multiply
    28,907.43x = 39,892.52 × 16,970.96
  4. Step 4: Simplify right side
    28,907.43x = 677,014,503.38
  5. Step 5: Solve for x
    x = 677,014,503.38/28,907.43
  6. Step 6: Final answer
    x = 23,420.09

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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.