Home / 18,575.14-27,830.34-15,475.07

Finding the Fourth Proportional to 18,575.14, 27,830.34 and 15,475.07

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Solution

The fourth proportional to 18,575.14, 27,830.34 and 15,475.07 is: 23,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.14 : 27,830.34 = 15,475.07 : x
  2. Step 2: Convert to fraction form
    18,575.14/27,830.34 = 15,475.07/x
  3. Step 3: Cross multiply
    18,575.14x = 27,830.34 × 15,475.07
  4. Step 4: Simplify right side
    18,575.14x = 430,676,459.62
  5. Step 5: Solve for x
    x = 430,676,459.62/18,575.14
  6. Step 6: Final answer
    x = 23,185.64

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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.