Home / 28,187.46-38,898.12-16,250.09

Finding the Fourth Proportional to 28,187.46, 38,898.12 and 16,250.09

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Solution

The fourth proportional to 28,187.46, 38,898.12 and 16,250.09 is: 22,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.46 : 38,898.12 = 16,250.09 : x
  2. Step 2: Convert to fraction form
    28,187.46/38,898.12 = 16,250.09/x
  3. Step 3: Cross multiply
    28,187.46x = 38,898.12 × 16,250.09
  4. Step 4: Simplify right side
    28,187.46x = 632,097,817.28
  5. Step 5: Solve for x
    x = 632,097,817.28/28,187.46
  6. Step 6: Final answer
    x = 22,424.79

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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.