Home / 45,893.88-63,306.72-28,871.28

Finding the Fourth Proportional to 45,893.88, 63,306.72 and 28,871.28

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Solution

The fourth proportional to 45,893.88, 63,306.72 and 28,871.28 is: 39,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,893.88 : 63,306.72 = 28,871.28 : x
  2. Step 2: Convert to fraction form
    45,893.88/63,306.72 = 28,871.28/x
  3. Step 3: Cross multiply
    45,893.88x = 63,306.72 × 28,871.28
  4. Step 4: Simplify right side
    45,893.88x = 1,827,746,039.00
  5. Step 5: Solve for x
    x = 1,827,746,039.00/45,893.88
  6. Step 6: Final answer
    x = 39,825.49

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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.