Home / 28,113.53-38,796.82-15,366.73

Finding the Fourth Proportional to 28,113.53, 38,796.82 and 15,366.73

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Solution

The fourth proportional to 28,113.53, 38,796.82 and 15,366.73 is: 21,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113.53 : 38,796.82 = 15,366.73 : x
  2. Step 2: Convert to fraction form
    28,113.53/38,796.82 = 15,366.73/x
  3. Step 3: Cross multiply
    28,113.53x = 38,796.82 × 15,366.73
  4. Step 4: Simplify right side
    28,113.53x = 596,180,281.57
  5. Step 5: Solve for x
    x = 596,180,281.57/28,113.53
  6. Step 6: Final answer
    x = 21,206.17

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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.