Home / 19,080.63-28,629.18-10,321.70

Finding the Fourth Proportional to 19,080.63, 28,629.18 and 10,321.70

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Solution

The fourth proportional to 19,080.63, 28,629.18 and 10,321.70 is: 15,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.63 : 28,629.18 = 10,321.70 : x
  2. Step 2: Convert to fraction form
    19,080.63/28,629.18 = 10,321.70/x
  3. Step 3: Cross multiply
    19,080.63x = 28,629.18 × 10,321.70
  4. Step 4: Simplify right side
    19,080.63x = 295,501,664.06
  5. Step 5: Solve for x
    x = 295,501,664.06/19,080.63
  6. Step 6: Final answer
    x = 15,487.00

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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.