Home / 28,699.46-39,604.98-15,952.31

Finding the Fourth Proportional to 28,699.46, 39,604.98 and 15,952.31

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Solution

The fourth proportional to 28,699.46, 39,604.98 and 15,952.31 is: 22,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.46 : 39,604.98 = 15,952.31 : x
  2. Step 2: Convert to fraction form
    28,699.46/39,604.98 = 15,952.31/x
  3. Step 3: Cross multiply
    28,699.46x = 39,604.98 × 15,952.31
  4. Step 4: Simplify right side
    28,699.46x = 631,790,720.48
  5. Step 5: Solve for x
    x = 631,790,720.48/28,699.46
  6. Step 6: Final answer
    x = 22,014.03

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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.