Home / 28,010.66-38,654.21-15,263.95

Finding the Fourth Proportional to 28,010.66, 38,654.21 and 15,263.95

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Solution

The fourth proportional to 28,010.66, 38,654.21 and 15,263.95 is: 21,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.66 : 38,654.21 = 15,263.95 : x
  2. Step 2: Convert to fraction form
    28,010.66/38,654.21 = 15,263.95/x
  3. Step 3: Cross multiply
    28,010.66x = 38,654.21 × 15,263.95
  4. Step 4: Simplify right side
    28,010.66x = 590,015,928.73
  5. Step 5: Solve for x
    x = 590,015,928.73/28,010.66
  6. Step 6: Final answer
    x = 21,063.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.