Home / 23,282.37-32,129.06-12,671.78

Finding the Fourth Proportional to 23,282.37, 32,129.06 and 12,671.78

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Solution

The fourth proportional to 23,282.37, 32,129.06 and 12,671.78 is: 17,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,282.37 : 32,129.06 = 12,671.78 : x
  2. Step 2: Convert to fraction form
    23,282.37/32,129.06 = 12,671.78/x
  3. Step 3: Cross multiply
    23,282.37x = 32,129.06 × 12,671.78
  4. Step 4: Simplify right side
    23,282.37x = 407,132,155.92
  5. Step 5: Solve for x
    x = 407,132,155.92/23,282.37
  6. Step 6: Final answer
    x = 17,486.71

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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.