Home / 28,282.88-39,033.81-16,346.31

Finding the Fourth Proportional to 28,282.88, 39,033.81 and 16,346.31

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Solution

The fourth proportional to 28,282.88, 39,033.81 and 16,346.31 is: 22,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.88 : 39,033.81 = 16,346.31 : x
  2. Step 2: Convert to fraction form
    28,282.88/39,033.81 = 16,346.31/x
  3. Step 3: Cross multiply
    28,282.88x = 39,033.81 × 16,346.31
  4. Step 4: Simplify right side
    28,282.88x = 638,058,758.74
  5. Step 5: Solve for x
    x = 638,058,758.74/28,282.88
  6. Step 6: Final answer
    x = 22,559.90

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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.