Home / 28,913.61-39,901.06-16,977.14

Finding the Fourth Proportional to 28,913.61, 39,901.06 and 16,977.14

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Solution

The fourth proportional to 28,913.61, 39,901.06 and 16,977.14 is: 23,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.61 : 39,901.06 = 16,977.14 : x
  2. Step 2: Convert to fraction form
    28,913.61/39,901.06 = 16,977.14/x
  3. Step 3: Cross multiply
    28,913.61x = 39,901.06 × 16,977.14
  4. Step 4: Simplify right side
    28,913.61x = 677,405,982.06
  5. Step 5: Solve for x
    x = 677,405,982.06/28,913.61
  6. Step 6: Final answer
    x = 23,428.62

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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.