Home / 28,306.35-39,030.62-18,083.84

Finding the Fourth Proportional to 28,306.35, 39,030.62 and 18,083.84

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Solution

The fourth proportional to 28,306.35, 39,030.62 and 18,083.84 is: 24,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.35 : 39,030.62 = 18,083.84 : x
  2. Step 2: Convert to fraction form
    28,306.35/39,030.62 = 18,083.84/x
  3. Step 3: Cross multiply
    28,306.35x = 39,030.62 × 18,083.84
  4. Step 4: Simplify right side
    28,306.35x = 705,823,201.61
  5. Step 5: Solve for x
    x = 705,823,201.61/28,306.35
  6. Step 6: Final answer
    x = 24,935.15

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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.