Home / 23,281.94-32,128.89-12,671.66

Finding the Fourth Proportional to 23,281.94, 32,128.89 and 12,671.66

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Solution

The fourth proportional to 23,281.94, 32,128.89 and 12,671.66 is: 17,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.94 : 32,128.89 = 12,671.66 : x
  2. Step 2: Convert to fraction form
    23,281.94/32,128.89 = 12,671.66/x
  3. Step 3: Cross multiply
    23,281.94x = 32,128.89 × 12,671.66
  4. Step 4: Simplify right side
    23,281.94x = 407,126,370.26
  5. Step 5: Solve for x
    x = 407,126,370.26/23,281.94
  6. Step 6: Final answer
    x = 17,486.79

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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.