Home / 21,580.98-32,365.44-13,671.74

Finding the Fourth Proportional to 21,580.98, 32,365.44 and 13,671.74

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Solution

The fourth proportional to 21,580.98, 32,365.44 and 13,671.74 is: 20,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.98 : 32,365.44 = 13,671.74 : x
  2. Step 2: Convert to fraction form
    21,580.98/32,365.44 = 13,671.74/x
  3. Step 3: Cross multiply
    21,580.98x = 32,365.44 × 13,671.74
  4. Step 4: Simplify right side
    21,580.98x = 442,491,718.84
  5. Step 5: Solve for x
    x = 442,491,718.84/21,580.98
  6. Step 6: Final answer
    x = 20,503.78

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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.