Home / 28,087.54-38,748.76-16,148.34

Finding the Fourth Proportional to 28,087.54, 38,748.76 and 16,148.34

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Solution

The fourth proportional to 28,087.54, 38,748.76 and 16,148.34 is: 22,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.54 : 38,748.76 = 16,148.34 : x
  2. Step 2: Convert to fraction form
    28,087.54/38,748.76 = 16,148.34/x
  3. Step 3: Cross multiply
    28,087.54x = 38,748.76 × 16,148.34
  4. Step 4: Simplify right side
    28,087.54x = 625,728,151.06
  5. Step 5: Solve for x
    x = 625,728,151.06/28,087.54
  6. Step 6: Final answer
    x = 22,277.78

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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.