Home / 25,819.72-35,632.78-14,490.16

Finding the Fourth Proportional to 25,819.72, 35,632.78 and 14,490.16

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Solution

The fourth proportional to 25,819.72, 35,632.78 and 14,490.16 is: 19,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.72 : 35,632.78 = 14,490.16 : x
  2. Step 2: Convert to fraction form
    25,819.72/35,632.78 = 14,490.16/x
  3. Step 3: Cross multiply
    25,819.72x = 35,632.78 × 14,490.16
  4. Step 4: Simplify right side
    25,819.72x = 516,324,558.14
  5. Step 5: Solve for x
    x = 516,324,558.14/25,819.72
  6. Step 6: Final answer
    x = 19,997.30

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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.