Home / 28,118.97-42,152.54-14,264.73

Finding the Fourth Proportional to 28,118.97, 42,152.54 and 14,264.73

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Solution

The fourth proportional to 28,118.97, 42,152.54 and 14,264.73 is: 21,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118.97 : 42,152.54 = 14,264.73 : x
  2. Step 2: Convert to fraction form
    28,118.97/42,152.54 = 14,264.73/x
  3. Step 3: Cross multiply
    28,118.97x = 42,152.54 × 14,264.73
  4. Step 4: Simplify right side
    28,118.97x = 601,294,530.59
  5. Step 5: Solve for x
    x = 601,294,530.59/28,118.97
  6. Step 6: Final answer
    x = 21,383.95

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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.