Home / 28,052.28-38,715.58-16,115.60

Finding the Fourth Proportional to 28,052.28, 38,715.58 and 16,115.60

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Solution

The fourth proportional to 28,052.28, 38,715.58 and 16,115.60 is: 22,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.28 : 38,715.58 = 16,115.60 : x
  2. Step 2: Convert to fraction form
    28,052.28/38,715.58 = 16,115.60/x
  3. Step 3: Cross multiply
    28,052.28x = 38,715.58 × 16,115.60
  4. Step 4: Simplify right side
    28,052.28x = 623,924,801.05
  5. Step 5: Solve for x
    x = 623,924,801.05/28,052.28
  6. Step 6: Final answer
    x = 22,241.50

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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.