Home / 28,090.80-42,082.74-14,949.36

Finding the Fourth Proportional to 28,090.80, 42,082.74 and 14,949.36

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Solution

The fourth proportional to 28,090.80, 42,082.74 and 14,949.36 is: 22,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.80 : 42,082.74 = 14,949.36 : x
  2. Step 2: Convert to fraction form
    28,090.80/42,082.74 = 14,949.36/x
  3. Step 3: Cross multiply
    28,090.80x = 42,082.74 × 14,949.36
  4. Step 4: Simplify right side
    28,090.80x = 629,110,030.05
  5. Step 5: Solve for x
    x = 629,110,030.05/28,090.80
  6. Step 6: Final answer
    x = 22,395.59

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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.