Home / 21,647.59-32,508.44-13,376.68

Finding the Fourth Proportional to 21,647.59, 32,508.44 and 13,376.68

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Solution

The fourth proportional to 21,647.59, 32,508.44 and 13,376.68 is: 20,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.59 : 32,508.44 = 13,376.68 : x
  2. Step 2: Convert to fraction form
    21,647.59/32,508.44 = 13,376.68/x
  3. Step 3: Cross multiply
    21,647.59x = 32,508.44 × 13,376.68
  4. Step 4: Simplify right side
    21,647.59x = 434,854,999.18
  5. Step 5: Solve for x
    x = 434,854,999.18/21,647.59
  6. Step 6: Final answer
    x = 20,087.92

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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.