Home / 28,945.99-39,946.57-16,845.50

Finding the Fourth Proportional to 28,945.99, 39,946.57 and 16,845.50

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Solution

The fourth proportional to 28,945.99, 39,946.57 and 16,845.50 is: 23,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.99 : 39,946.57 = 16,845.50 : x
  2. Step 2: Convert to fraction form
    28,945.99/39,946.57 = 16,845.50/x
  3. Step 3: Cross multiply
    28,945.99x = 39,946.57 × 16,845.50
  4. Step 4: Simplify right side
    28,945.99x = 672,920,002.69
  5. Step 5: Solve for x
    x = 672,920,002.69/28,945.99
  6. Step 6: Final answer
    x = 23,247.43

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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.