Home / 28,973.90-43,480.35-10,253.88

Finding the Fourth Proportional to 28,973.90, 43,480.35 and 10,253.88

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Solution

The fourth proportional to 28,973.90, 43,480.35 and 10,253.88 is: 15,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.90 : 43,480.35 = 10,253.88 : x
  2. Step 2: Convert to fraction form
    28,973.90/43,480.35 = 10,253.88/x
  3. Step 3: Cross multiply
    28,973.90x = 43,480.35 × 10,253.88
  4. Step 4: Simplify right side
    28,973.90x = 445,842,291.26
  5. Step 5: Solve for x
    x = 445,842,291.26/28,973.90
  6. Step 6: Final answer
    x = 15,387.72

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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.