Home / 21,910.10-32,865.15-14,911.70

Finding the Fourth Proportional to 21,910.10, 32,865.15 and 14,911.70

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Solution

The fourth proportional to 21,910.10, 32,865.15 and 14,911.70 is: 22,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910.10 : 32,865.15 = 14,911.70 : x
  2. Step 2: Convert to fraction form
    21,910.10/32,865.15 = 14,911.70/x
  3. Step 3: Cross multiply
    21,910.10x = 32,865.15 × 14,911.70
  4. Step 4: Simplify right side
    21,910.10x = 490,075,257.26
  5. Step 5: Solve for x
    x = 490,075,257.26/21,910.10
  6. Step 6: Final answer
    x = 22,367.55

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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.