Home / 28,890.40-43,279.53-16,371.94

Finding the Fourth Proportional to 28,890.40, 43,279.53 and 16,371.94

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Solution

The fourth proportional to 28,890.40, 43,279.53 and 16,371.94 is: 24,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.40 : 43,279.53 = 16,371.94 : x
  2. Step 2: Convert to fraction form
    28,890.40/43,279.53 = 16,371.94/x
  3. Step 3: Cross multiply
    28,890.40x = 43,279.53 × 16,371.94
  4. Step 4: Simplify right side
    28,890.40x = 708,569,868.39
  5. Step 5: Solve for x
    x = 708,569,868.39/28,890.40
  6. Step 6: Final answer
    x = 24,526.14

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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.