Home / 28,871.52-43,308.26-14,827.72

Finding the Fourth Proportional to 28,871.52, 43,308.26 and 14,827.72

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Solution

The fourth proportional to 28,871.52, 43,308.26 and 14,827.72 is: 22,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.52 : 43,308.26 = 14,827.72 : x
  2. Step 2: Convert to fraction form
    28,871.52/43,308.26 = 14,827.72/x
  3. Step 3: Cross multiply
    28,871.52x = 43,308.26 × 14,827.72
  4. Step 4: Simplify right side
    28,871.52x = 642,162,752.97
  5. Step 5: Solve for x
    x = 642,162,752.97/28,871.52
  6. Step 6: Final answer
    x = 22,242.08

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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.