Home / 16,780.08-23,167.99-15,358.31

Finding the Fourth Proportional to 16,780.08, 23,167.99 and 15,358.31

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Solution

The fourth proportional to 16,780.08, 23,167.99 and 15,358.31 is: 21,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.08 : 23,167.99 = 15,358.31 : x
  2. Step 2: Convert to fraction form
    16,780.08/23,167.99 = 15,358.31/x
  3. Step 3: Cross multiply
    16,780.08x = 23,167.99 × 15,358.31
  4. Step 4: Simplify right side
    16,780.08x = 355,821,172.50
  5. Step 5: Solve for x
    x = 355,821,172.50/16,780.08
  6. Step 6: Final answer
    x = 21,204.97

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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.