Home / 28,087.29-38,748.42-16,148.09

Finding the Fourth Proportional to 28,087.29, 38,748.42 and 16,148.09

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Solution

The fourth proportional to 28,087.29, 38,748.42 and 16,148.09 is: 22,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.29 : 38,748.42 = 16,148.09 : x
  2. Step 2: Convert to fraction form
    28,087.29/38,748.42 = 16,148.09/x
  3. Step 3: Cross multiply
    28,087.29x = 38,748.42 × 16,148.09
  4. Step 4: Simplify right side
    28,087.29x = 625,713,070.39
  5. Step 5: Solve for x
    x = 625,713,070.39/28,087.29
  6. Step 6: Final answer
    x = 22,277.45

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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.