Home / 57,474.24-86,212.80-15,921.12

Finding the Fourth Proportional to 57,474.24, 86,212.80 and 15,921.12

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Solution

The fourth proportional to 57,474.24, 86,212.80 and 15,921.12 is: 23,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474.24 : 86,212.80 = 15,921.12 : x
  2. Step 2: Convert to fraction form
    57,474.24/86,212.80 = 15,921.12/x
  3. Step 3: Cross multiply
    57,474.24x = 86,212.80 × 15,921.12
  4. Step 4: Simplify right side
    57,474.24x = 1,372,604,334.34
  5. Step 5: Solve for x
    x = 1,372,604,334.34/57,474.24
  6. Step 6: Final answer
    x = 23,882.08

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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.