Home / 28,373.44-42,560.14-12,772.84

Finding the Fourth Proportional to 28,373.44, 42,560.14 and 12,772.84

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Solution

The fourth proportional to 28,373.44, 42,560.14 and 12,772.84 is: 19,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,373.44 : 42,560.14 = 12,772.84 : x
  2. Step 2: Convert to fraction form
    28,373.44/42,560.14 = 12,772.84/x
  3. Step 3: Cross multiply
    28,373.44x = 42,560.14 × 12,772.84
  4. Step 4: Simplify right side
    28,373.44x = 543,613,858.60
  5. Step 5: Solve for x
    x = 543,613,858.60/28,373.44
  6. Step 6: Final answer
    x = 19,159.25

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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.