Home / 28,292.82-42,445.79-8,301.50

Finding the Fourth Proportional to 28,292.82, 42,445.79 and 8,301.50

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Solution

The fourth proportional to 28,292.82, 42,445.79 and 8,301.50 is: 12,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.82 : 42,445.79 = 8,301.50 : x
  2. Step 2: Convert to fraction form
    28,292.82/42,445.79 = 8,301.50/x
  3. Step 3: Cross multiply
    28,292.82x = 42,445.79 × 8,301.50
  4. Step 4: Simplify right side
    28,292.82x = 352,363,725.69
  5. Step 5: Solve for x
    x = 352,363,725.69/28,292.82
  6. Step 6: Final answer
    x = 12,454.17

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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.