Home / 28,620.59-39,497.76-17,871.83

Finding the Fourth Proportional to 28,620.59, 39,497.76 and 17,871.83

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Solution

The fourth proportional to 28,620.59, 39,497.76 and 17,871.83 is: 24,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.59 : 39,497.76 = 17,871.83 : x
  2. Step 2: Convert to fraction form
    28,620.59/39,497.76 = 17,871.83/x
  3. Step 3: Cross multiply
    28,620.59x = 39,497.76 × 17,871.83
  4. Step 4: Simplify right side
    28,620.59x = 705,897,054.61
  5. Step 5: Solve for x
    x = 705,897,054.61/28,620.59
  6. Step 6: Final answer
    x = 24,663.96

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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.