Home / 28,886.20-43,296.90-14,840.80

Finding the Fourth Proportional to 28,886.20, 43,296.90 and 14,840.80

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Solution

The fourth proportional to 28,886.20, 43,296.90 and 14,840.80 is: 22,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.20 : 43,296.90 = 14,840.80 : x
  2. Step 2: Convert to fraction form
    28,886.20/43,296.90 = 14,840.80/x
  3. Step 3: Cross multiply
    28,886.20x = 43,296.90 × 14,840.80
  4. Step 4: Simplify right side
    28,886.20x = 642,560,633.52
  5. Step 5: Solve for x
    x = 642,560,633.52/28,886.20
  6. Step 6: Final answer
    x = 22,244.55

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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.