Home / 28,013.45-38,641.56-16,675.37

Finding the Fourth Proportional to 28,013.45, 38,641.56 and 16,675.37

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Solution

The fourth proportional to 28,013.45, 38,641.56 and 16,675.37 is: 23,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.45 : 38,641.56 = 16,675.37 : x
  2. Step 2: Convert to fraction form
    28,013.45/38,641.56 = 16,675.37/x
  3. Step 3: Cross multiply
    28,013.45x = 38,641.56 × 16,675.37
  4. Step 4: Simplify right side
    28,013.45x = 644,362,199.54
  5. Step 5: Solve for x
    x = 644,362,199.54/28,013.45
  6. Step 6: Final answer
    x = 23,001.89

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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.