Home / 25,529.36-35,231.34-15,459.68

Finding the Fourth Proportional to 25,529.36, 35,231.34 and 15,459.68

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Solution

The fourth proportional to 25,529.36, 35,231.34 and 15,459.68 is: 21,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,529.36 : 35,231.34 = 15,459.68 : x
  2. Step 2: Convert to fraction form
    25,529.36/35,231.34 = 15,459.68/x
  3. Step 3: Cross multiply
    25,529.36x = 35,231.34 × 15,459.68
  4. Step 4: Simplify right side
    25,529.36x = 544,665,242.37
  5. Step 5: Solve for x
    x = 544,665,242.37/25,529.36
  6. Step 6: Final answer
    x = 21,334.86

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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.