Home / 25,579.84-38,342.64-12,414.16

Finding the Fourth Proportional to 25,579.84, 38,342.64 and 12,414.16

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Solution

The fourth proportional to 25,579.84, 38,342.64 and 12,414.16 is: 18,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.84 : 38,342.64 = 12,414.16 : x
  2. Step 2: Convert to fraction form
    25,579.84/38,342.64 = 12,414.16/x
  3. Step 3: Cross multiply
    25,579.84x = 38,342.64 × 12,414.16
  4. Step 4: Simplify right side
    25,579.84x = 475,991,667.78
  5. Step 5: Solve for x
    x = 475,991,667.78/25,579.84
  6. Step 6: Final answer
    x = 18,608.08

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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.