Home / 28,080.44-42,090.40-14,919.56

Finding the Fourth Proportional to 28,080.44, 42,090.40 and 14,919.56

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Solution

The fourth proportional to 28,080.44, 42,090.40 and 14,919.56 is: 22,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.44 : 42,090.40 = 14,919.56 : x
  2. Step 2: Convert to fraction form
    28,080.44/42,090.40 = 14,919.56/x
  3. Step 3: Cross multiply
    28,080.44x = 42,090.40 × 14,919.56
  4. Step 4: Simplify right side
    28,080.44x = 627,970,248.22
  5. Step 5: Solve for x
    x = 627,970,248.22/28,080.44
  6. Step 6: Final answer
    x = 22,363.26

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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.