Home / 25,322.09-34,944.27-13,991.55

Finding the Fourth Proportional to 25,322.09, 34,944.27 and 13,991.55

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Solution

The fourth proportional to 25,322.09, 34,944.27 and 13,991.55 is: 19,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.09 : 34,944.27 = 13,991.55 : x
  2. Step 2: Convert to fraction form
    25,322.09/34,944.27 = 13,991.55/x
  3. Step 3: Cross multiply
    25,322.09x = 34,944.27 × 13,991.55
  4. Step 4: Simplify right side
    25,322.09x = 488,924,500.92
  5. Step 5: Solve for x
    x = 488,924,500.92/25,322.09
  6. Step 6: Final answer
    x = 19,308.22

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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.