Home / 35,200.80-52,783.92-13,013.28

Finding the Fourth Proportional to 35,200.80, 52,783.92 and 13,013.28

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Solution

The fourth proportional to 35,200.80, 52,783.92 and 13,013.28 is: 19,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,200.80 : 52,783.92 = 13,013.28 : x
  2. Step 2: Convert to fraction form
    35,200.80/52,783.92 = 13,013.28/x
  3. Step 3: Cross multiply
    35,200.80x = 52,783.92 × 13,013.28
  4. Step 4: Simplify right side
    35,200.80x = 686,891,930.46
  5. Step 5: Solve for x
    x = 686,891,930.46/35,200.80
  6. Step 6: Final answer
    x = 19,513.53

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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.