Home / 21,340.72-32,011.08-5,759.56

Finding the Fourth Proportional to 21,340.72, 32,011.08 and 5,759.56

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Solution

The fourth proportional to 21,340.72, 32,011.08 and 5,759.56 is: 8,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.72 : 32,011.08 = 5,759.56 : x
  2. Step 2: Convert to fraction form
    21,340.72/32,011.08 = 5,759.56/x
  3. Step 3: Cross multiply
    21,340.72x = 32,011.08 × 5,759.56
  4. Step 4: Simplify right side
    21,340.72x = 184,369,735.92
  5. Step 5: Solve for x
    x = 184,369,735.92/21,340.72
  6. Step 6: Final answer
    x = 8,639.34

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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.