Home / 27,278.42-40,918.30-7,557.14

Finding the Fourth Proportional to 27,278.42, 40,918.30 and 7,557.14

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Solution

The fourth proportional to 27,278.42, 40,918.30 and 7,557.14 is: 11,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.42 : 40,918.30 = 7,557.14 : x
  2. Step 2: Convert to fraction form
    27,278.42/40,918.30 = 7,557.14/x
  3. Step 3: Cross multiply
    27,278.42x = 40,918.30 × 7,557.14
  4. Step 4: Simplify right side
    27,278.42x = 309,225,405.06
  5. Step 5: Solve for x
    x = 309,225,405.06/27,278.42
  6. Step 6: Final answer
    x = 11,335.90

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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.