Home / 28,187.33-38,888.52-16,848.95

Finding the Fourth Proportional to 28,187.33, 38,888.52 and 16,848.95

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Solution

The fourth proportional to 28,187.33, 38,888.52 and 16,848.95 is: 23,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.33 : 38,888.52 = 16,848.95 : x
  2. Step 2: Convert to fraction form
    28,187.33/38,888.52 = 16,848.95/x
  3. Step 3: Cross multiply
    28,187.33x = 38,888.52 × 16,848.95
  4. Step 4: Simplify right side
    28,187.33x = 655,230,729.05
  5. Step 5: Solve for x
    x = 655,230,729.05/28,187.33
  6. Step 6: Final answer
    x = 23,245.58

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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.