Home / 27,036.03-40,555.17-9,278.90

Finding the Fourth Proportional to 27,036.03, 40,555.17 and 9,278.90

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Solution

The fourth proportional to 27,036.03, 40,555.17 and 9,278.90 is: 13,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.03 : 40,555.17 = 9,278.90 : x
  2. Step 2: Convert to fraction form
    27,036.03/40,555.17 = 9,278.90/x
  3. Step 3: Cross multiply
    27,036.03x = 40,555.17 × 9,278.90
  4. Step 4: Simplify right side
    27,036.03x = 376,307,117.74
  5. Step 5: Solve for x
    x = 376,307,117.74/27,036.03
  6. Step 6: Final answer
    x = 13,918.73

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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.