Home / 28,208.83-42,313.25-14,367.55

Finding the Fourth Proportional to 28,208.83, 42,313.25 and 14,367.55

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Solution

The fourth proportional to 28,208.83, 42,313.25 and 14,367.55 is: 21,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.83 : 42,313.25 = 14,367.55 : x
  2. Step 2: Convert to fraction form
    28,208.83/42,313.25 = 14,367.55/x
  3. Step 3: Cross multiply
    28,208.83x = 42,313.25 × 14,367.55
  4. Step 4: Simplify right side
    28,208.83x = 607,937,735.04
  5. Step 5: Solve for x
    x = 607,937,735.04/28,208.83
  6. Step 6: Final answer
    x = 21,551.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.