Home / 21,440.85-32,196.92-14,465.74

Finding the Fourth Proportional to 21,440.85, 32,196.92 and 14,465.74

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Solution

The fourth proportional to 21,440.85, 32,196.92 and 14,465.74 is: 21,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.85 : 32,196.92 = 14,465.74 : x
  2. Step 2: Convert to fraction form
    21,440.85/32,196.92 = 14,465.74/x
  3. Step 3: Cross multiply
    21,440.85x = 32,196.92 × 14,465.74
  4. Step 4: Simplify right side
    21,440.85x = 465,752,120.70
  5. Step 5: Solve for x
    x = 465,752,120.70/21,440.85
  6. Step 6: Final answer
    x = 21,722.65

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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.