Home / 28,308.14-42,473.73-14,272.20

Finding the Fourth Proportional to 28,308.14, 42,473.73 and 14,272.20

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Solution

The fourth proportional to 28,308.14, 42,473.73 and 14,272.20 is: 21,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.14 : 42,473.73 = 14,272.20 : x
  2. Step 2: Convert to fraction form
    28,308.14/42,473.73 = 14,272.20/x
  3. Step 3: Cross multiply
    28,308.14x = 42,473.73 × 14,272.20
  4. Step 4: Simplify right side
    28,308.14x = 606,193,569.31
  5. Step 5: Solve for x
    x = 606,193,569.31/28,308.14
  6. Step 6: Final answer
    x = 21,414.11

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1.5x scale

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.