Home / 26,427.36-39,592.03-18,915.42

Finding the Fourth Proportional to 26,427.36, 39,592.03 and 18,915.42

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Solution

The fourth proportional to 26,427.36, 39,592.03 and 18,915.42 is: 28,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.36 : 39,592.03 = 18,915.42 : x
  2. Step 2: Convert to fraction form
    26,427.36/39,592.03 = 18,915.42/x
  3. Step 3: Cross multiply
    26,427.36x = 39,592.03 × 18,915.42
  4. Step 4: Simplify right side
    26,427.36x = 748,899,876.10
  5. Step 5: Solve for x
    x = 748,899,876.10/26,427.36
  6. Step 6: Final answer
    x = 28,338.05

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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.