Home / 28,203.75-38,911.50-16,095.60

Finding the Fourth Proportional to 28,203.75, 38,911.50 and 16,095.60

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Solution

The fourth proportional to 28,203.75, 38,911.50 and 16,095.60 is: 22,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.75 : 38,911.50 = 16,095.60 : x
  2. Step 2: Convert to fraction form
    28,203.75/38,911.50 = 16,095.60/x
  3. Step 3: Cross multiply
    28,203.75x = 38,911.50 × 16,095.60
  4. Step 4: Simplify right side
    28,203.75x = 626,303,939.40
  5. Step 5: Solve for x
    x = 626,303,939.40/28,203.75
  6. Step 6: Final answer
    x = 22,206.41

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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.