Home / 28,682.34-42,974.96-17,565.81

Finding the Fourth Proportional to 28,682.34, 42,974.96 and 17,565.81

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Solution

The fourth proportional to 28,682.34, 42,974.96 and 17,565.81 is: 26,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.34 : 42,974.96 = 17,565.81 : x
  2. Step 2: Convert to fraction form
    28,682.34/42,974.96 = 17,565.81/x
  3. Step 3: Cross multiply
    28,682.34x = 42,974.96 × 17,565.81
  4. Step 4: Simplify right side
    28,682.34x = 754,889,679.41
  5. Step 5: Solve for x
    x = 754,889,679.41/28,682.34
  6. Step 6: Final answer
    x = 26,318.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.