Home / 28,695.10-39,602.94-16,122.28

Finding the Fourth Proportional to 28,695.10, 39,602.94 and 16,122.28

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Solution

The fourth proportional to 28,695.10, 39,602.94 and 16,122.28 is: 22,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.10 : 39,602.94 = 16,122.28 : x
  2. Step 2: Convert to fraction form
    28,695.10/39,602.94 = 16,122.28/x
  3. Step 3: Cross multiply
    28,695.10x = 39,602.94 × 16,122.28
  4. Step 4: Simplify right side
    28,695.10x = 638,489,687.50
  5. Step 5: Solve for x
    x = 638,489,687.50/28,695.10
  6. Step 6: Final answer
    x = 22,250.83

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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.