Home / 28,157.36-42,250.38-13,366.42

Finding the Fourth Proportional to 28,157.36, 42,250.38 and 13,366.42

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Solution

The fourth proportional to 28,157.36, 42,250.38 and 13,366.42 is: 20,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157.36 : 42,250.38 = 13,366.42 : x
  2. Step 2: Convert to fraction form
    28,157.36/42,250.38 = 13,366.42/x
  3. Step 3: Cross multiply
    28,157.36x = 42,250.38 × 13,366.42
  4. Step 4: Simplify right side
    28,157.36x = 564,736,168.49
  5. Step 5: Solve for x
    x = 564,736,168.49/28,157.36
  6. Step 6: Final answer
    x = 20,056.44

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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.