Home / 28,245.13-38,962.09-17,616.31

Finding the Fourth Proportional to 28,245.13, 38,962.09 and 17,616.31

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Solution

The fourth proportional to 28,245.13, 38,962.09 and 17,616.31 is: 24,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.13 : 38,962.09 = 17,616.31 : x
  2. Step 2: Convert to fraction form
    28,245.13/38,962.09 = 17,616.31/x
  3. Step 3: Cross multiply
    28,245.13x = 38,962.09 × 17,616.31
  4. Step 4: Simplify right side
    28,245.13x = 686,368,255.69
  5. Step 5: Solve for x
    x = 686,368,255.69/28,245.13
  6. Step 6: Final answer
    x = 24,300.41

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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.