Home / 19,927.32-27,499.70-10,974.75

Finding the Fourth Proportional to 19,927.32, 27,499.70 and 10,974.75

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Solution

The fourth proportional to 19,927.32, 27,499.70 and 10,974.75 is: 15,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.32 : 27,499.70 = 10,974.75 : x
  2. Step 2: Convert to fraction form
    19,927.32/27,499.70 = 10,974.75/x
  3. Step 3: Cross multiply
    19,927.32x = 27,499.70 × 10,974.75
  4. Step 4: Simplify right side
    19,927.32x = 301,802,332.58
  5. Step 5: Solve for x
    x = 301,802,332.58/19,927.32
  6. Step 6: Final answer
    x = 15,145.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.