Home / 25,462.35-35,138.41-15,388.99

Finding the Fourth Proportional to 25,462.35, 35,138.41 and 15,388.99

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Solution

The fourth proportional to 25,462.35, 35,138.41 and 15,388.99 is: 21,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,462.35 : 35,138.41 = 15,388.99 : x
  2. Step 2: Convert to fraction form
    25,462.35/35,138.41 = 15,388.99/x
  3. Step 3: Cross multiply
    25,462.35x = 35,138.41 × 15,388.99
  4. Step 4: Simplify right side
    25,462.35x = 540,744,513.79
  5. Step 5: Solve for x
    x = 540,744,513.79/25,462.35
  6. Step 6: Final answer
    x = 21,237.02

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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.