Home / 25,745.36-38,632.64-13,898.97

Finding the Fourth Proportional to 25,745.36, 38,632.64 and 13,898.97

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Solution

The fourth proportional to 25,745.36, 38,632.64 and 13,898.97 is: 20,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.36 : 38,632.64 = 13,898.97 : x
  2. Step 2: Convert to fraction form
    25,745.36/38,632.64 = 13,898.97/x
  3. Step 3: Cross multiply
    25,745.36x = 38,632.64 × 13,898.97
  4. Step 4: Simplify right side
    25,745.36x = 536,953,834.89
  5. Step 5: Solve for x
    x = 536,953,834.89/25,745.36
  6. Step 6: Final answer
    x = 20,856.34

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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.