Home / 28,268.28-39,011.58-16,333.20

Finding the Fourth Proportional to 28,268.28, 39,011.58 and 16,333.20

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Solution

The fourth proportional to 28,268.28, 39,011.58 and 16,333.20 is: 22,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.28 : 39,011.58 = 16,333.20 : x
  2. Step 2: Convert to fraction form
    28,268.28/39,011.58 = 16,333.20/x
  3. Step 3: Cross multiply
    28,268.28x = 39,011.58 × 16,333.20
  4. Step 4: Simplify right side
    28,268.28x = 637,183,938.46
  5. Step 5: Solve for x
    x = 637,183,938.46/28,268.28
  6. Step 6: Final answer
    x = 22,540.60

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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.