Home / 21,763.35-32,643.21-15,411.97

Finding the Fourth Proportional to 21,763.35, 32,643.21 and 15,411.97

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Solution

The fourth proportional to 21,763.35, 32,643.21 and 15,411.97 is: 23,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.35 : 32,643.21 = 15,411.97 : x
  2. Step 2: Convert to fraction form
    21,763.35/32,643.21 = 15,411.97/x
  3. Step 3: Cross multiply
    21,763.35x = 32,643.21 × 15,411.97
  4. Step 4: Simplify right side
    21,763.35x = 503,096,010.01
  5. Step 5: Solve for x
    x = 503,096,010.01/21,763.35
  6. Step 6: Final answer
    x = 23,116.67

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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.