Home / 28,630.63-39,507.78-16,695.10

Finding the Fourth Proportional to 28,630.63, 39,507.78 and 16,695.10

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Solution

The fourth proportional to 28,630.63, 39,507.78 and 16,695.10 is: 23,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.63 : 39,507.78 = 16,695.10 : x
  2. Step 2: Convert to fraction form
    28,630.63/39,507.78 = 16,695.10/x
  3. Step 3: Cross multiply
    28,630.63x = 39,507.78 × 16,695.10
  4. Step 4: Simplify right side
    28,630.63x = 659,586,337.88
  5. Step 5: Solve for x
    x = 659,586,337.88/28,630.63
  6. Step 6: Final answer
    x = 23,037.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.