Home / 28,082.99-42,103.66-13,274.60

Finding the Fourth Proportional to 28,082.99, 42,103.66 and 13,274.60

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Solution

The fourth proportional to 28,082.99, 42,103.66 and 13,274.60 is: 19,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.99 : 42,103.66 = 13,274.60 : x
  2. Step 2: Convert to fraction form
    28,082.99/42,103.66 = 13,274.60/x
  3. Step 3: Cross multiply
    28,082.99x = 42,103.66 × 13,274.60
  4. Step 4: Simplify right side
    28,082.99x = 558,908,968.14
  5. Step 5: Solve for x
    x = 558,908,968.14/28,082.99
  6. Step 6: Final answer
    x = 19,902.05

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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.