Home / 28,019.02-38,671.92-16,090.54

Finding the Fourth Proportional to 28,019.02, 38,671.92 and 16,090.54

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Solution

The fourth proportional to 28,019.02, 38,671.92 and 16,090.54 is: 22,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.02 : 38,671.92 = 16,090.54 : x
  2. Step 2: Convert to fraction form
    28,019.02/38,671.92 = 16,090.54/x
  3. Step 3: Cross multiply
    28,019.02x = 38,671.92 × 16,090.54
  4. Step 4: Simplify right side
    28,019.02x = 622,252,075.64
  5. Step 5: Solve for x
    x = 622,252,075.64/28,019.02
  6. Step 6: Final answer
    x = 22,208.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.