Home / 28,836.72-43,217.40-14,784.84

Finding the Fourth Proportional to 28,836.72, 43,217.40 and 14,784.84

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Solution

The fourth proportional to 28,836.72, 43,217.40 and 14,784.84 is: 22,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.72 : 43,217.40 = 14,784.84 : x
  2. Step 2: Convert to fraction form
    28,836.72/43,217.40 = 14,784.84/x
  3. Step 3: Cross multiply
    28,836.72x = 43,217.40 × 14,784.84
  4. Step 4: Simplify right side
    28,836.72x = 638,962,344.22
  5. Step 5: Solve for x
    x = 638,962,344.22/28,836.72
  6. Step 6: Final answer
    x = 22,157.94

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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.