Home / 21,385.82-32,056.48-8,049.67

Finding the Fourth Proportional to 21,385.82, 32,056.48 and 8,049.67

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Solution

The fourth proportional to 21,385.82, 32,056.48 and 8,049.67 is: 12,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.82 : 32,056.48 = 8,049.67 : x
  2. Step 2: Convert to fraction form
    21,385.82/32,056.48 = 8,049.67/x
  3. Step 3: Cross multiply
    21,385.82x = 32,056.48 × 8,049.67
  4. Step 4: Simplify right side
    21,385.82x = 258,044,085.36
  5. Step 5: Solve for x
    x = 258,044,085.36/21,385.82
  6. Step 6: Final answer
    x = 12,066.13

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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.