Home / 57,475.24-86,212.86-15,921.16

Finding the Fourth Proportional to 57,475.24, 86,212.86 and 15,921.16

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Solution

The fourth proportional to 57,475.24, 86,212.86 and 15,921.16 is: 23,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.24 : 86,212.86 = 15,921.16 : x
  2. Step 2: Convert to fraction form
    57,475.24/86,212.86 = 15,921.16/x
  3. Step 3: Cross multiply
    57,475.24x = 86,212.86 × 15,921.16
  4. Step 4: Simplify right side
    57,475.24x = 1,372,608,738.12
  5. Step 5: Solve for x
    x = 1,372,608,738.12/57,475.24
  6. Step 6: Final answer
    x = 23,881.74

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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.