Home / 28,921.80-43,334.10-14,098.80

Finding the Fourth Proportional to 28,921.80, 43,334.10 and 14,098.80

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Solution

The fourth proportional to 28,921.80, 43,334.10 and 14,098.80 is: 21,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921.80 : 43,334.10 = 14,098.80 : x
  2. Step 2: Convert to fraction form
    28,921.80/43,334.10 = 14,098.80/x
  3. Step 3: Cross multiply
    28,921.80x = 43,334.10 × 14,098.80
  4. Step 4: Simplify right side
    28,921.80x = 610,958,809.08
  5. Step 5: Solve for x
    x = 610,958,809.08/28,921.80
  6. Step 6: Final answer
    x = 21,124.51

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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.