Home / 43,488.13-65,217.84-16,821.76

Finding the Fourth Proportional to 43,488.13, 65,217.84 and 16,821.76

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Solution

The fourth proportional to 43,488.13, 65,217.84 and 16,821.76 is: 25,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.13 : 65,217.84 = 16,821.76 : x
  2. Step 2: Convert to fraction form
    43,488.13/65,217.84 = 16,821.76/x
  3. Step 3: Cross multiply
    43,488.13x = 65,217.84 × 16,821.76
  4. Step 4: Simplify right side
    43,488.13x = 1,097,078,852.20
  5. Step 5: Solve for x
    x = 1,097,078,852.20/43,488.13
  6. Step 6: Final answer
    x = 25,227.09

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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.