Home / 28,838.28-43,240.68-14,028.52

Finding the Fourth Proportional to 28,838.28, 43,240.68 and 14,028.52

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Solution

The fourth proportional to 28,838.28, 43,240.68 and 14,028.52 is: 21,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.28 : 43,240.68 = 14,028.52 : x
  2. Step 2: Convert to fraction form
    28,838.28/43,240.68 = 14,028.52/x
  3. Step 3: Cross multiply
    28,838.28x = 43,240.68 × 14,028.52
  4. Step 4: Simplify right side
    28,838.28x = 606,602,744.19
  5. Step 5: Solve for x
    x = 606,602,744.19/28,838.28
  6. Step 6: Final answer
    x = 21,034.64

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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.