Home / 28,260.80-39,004.26-16,323.20

Finding the Fourth Proportional to 28,260.80, 39,004.26 and 16,323.20

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Solution

The fourth proportional to 28,260.80, 39,004.26 and 16,323.20 is: 22,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260.80 : 39,004.26 = 16,323.20 : x
  2. Step 2: Convert to fraction form
    28,260.80/39,004.26 = 16,323.20/x
  3. Step 3: Cross multiply
    28,260.80x = 39,004.26 × 16,323.20
  4. Step 4: Simplify right side
    28,260.80x = 636,674,336.83
  5. Step 5: Solve for x
    x = 636,674,336.83/28,260.80
  6. Step 6: Final answer
    x = 22,528.53

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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.