Home / 28,983.47-40,201.82-28,215.29

Finding the Fourth Proportional to 28,983.47, 40,201.82 and 28,215.29

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Solution

The fourth proportional to 28,983.47, 40,201.82 and 28,215.29 is: 39,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.47 : 40,201.82 = 28,215.29 : x
  2. Step 2: Convert to fraction form
    28,983.47/40,201.82 = 28,215.29/x
  3. Step 3: Cross multiply
    28,983.47x = 40,201.82 × 28,215.29
  4. Step 4: Simplify right side
    28,983.47x = 1,134,305,838.79
  5. Step 5: Solve for x
    x = 1,134,305,838.79/28,983.47
  6. Step 6: Final answer
    x = 39,136.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.