Home / 28,154.97-38,765.34-23,897.16

Finding the Fourth Proportional to 28,154.97, 38,765.34 and 23,897.16

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Solution

The fourth proportional to 28,154.97, 38,765.34 and 23,897.16 is: 32,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.97 : 38,765.34 = 23,897.16 : x
  2. Step 2: Convert to fraction form
    28,154.97/38,765.34 = 23,897.16/x
  3. Step 3: Cross multiply
    28,154.97x = 38,765.34 × 23,897.16
  4. Step 4: Simplify right side
    28,154.97x = 926,381,532.43
  5. Step 5: Solve for x
    x = 926,381,532.43/28,154.97
  6. Step 6: Final answer
    x = 32,902.95

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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.