Home / 27,618.60-41,438.70-10,090.20

Finding the Fourth Proportional to 27,618.60, 41,438.70 and 10,090.20

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Solution

The fourth proportional to 27,618.60, 41,438.70 and 10,090.20 is: 15,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.60 : 41,438.70 = 10,090.20 : x
  2. Step 2: Convert to fraction form
    27,618.60/41,438.70 = 10,090.20/x
  3. Step 3: Cross multiply
    27,618.60x = 41,438.70 × 10,090.20
  4. Step 4: Simplify right side
    27,618.60x = 418,124,770.74
  5. Step 5: Solve for x
    x = 418,124,770.74/27,618.60
  6. Step 6: Final answer
    x = 15,139.25

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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.