Home / 25,774.74-35,640.72-20,460.34

Finding the Fourth Proportional to 25,774.74, 35,640.72 and 20,460.34

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Solution

The fourth proportional to 25,774.74, 35,640.72 and 20,460.34 is: 28,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,774.74 : 35,640.72 = 20,460.34 : x
  2. Step 2: Convert to fraction form
    25,774.74/35,640.72 = 20,460.34/x
  3. Step 3: Cross multiply
    25,774.74x = 35,640.72 × 20,460.34
  4. Step 4: Simplify right side
    25,774.74x = 729,221,249.04
  5. Step 5: Solve for x
    x = 729,221,249.04/25,774.74
  6. Step 6: Final answer
    x = 28,292.09

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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.