Home / 27,899.36-38,533.58-23,378.42

Finding the Fourth Proportional to 27,899.36, 38,533.58 and 23,378.42

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Solution

The fourth proportional to 27,899.36, 38,533.58 and 23,378.42 is: 32,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.36 : 38,533.58 = 23,378.42 : x
  2. Step 2: Convert to fraction form
    27,899.36/38,533.58 = 23,378.42/x
  3. Step 3: Cross multiply
    27,899.36x = 38,533.58 × 23,378.42
  4. Step 4: Simplify right side
    27,899.36x = 900,854,083.12
  5. Step 5: Solve for x
    x = 900,854,083.12/27,899.36
  6. Step 6: Final answer
    x = 32,289.42

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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.