Home / 21,440.70-32,124.60-17,722.80

Finding the Fourth Proportional to 21,440.70, 32,124.60 and 17,722.80

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Solution

The fourth proportional to 21,440.70, 32,124.60 and 17,722.80 is: 26,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.70 : 32,124.60 = 17,722.80 : x
  2. Step 2: Convert to fraction form
    21,440.70/32,124.60 = 17,722.80/x
  3. Step 3: Cross multiply
    21,440.70x = 32,124.60 × 17,722.80
  4. Step 4: Simplify right side
    21,440.70x = 569,337,860.88
  5. Step 5: Solve for x
    x = 569,337,860.88/21,440.70
  6. Step 6: Final answer
    x = 26,554.07

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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.