Home / 19,759.51-27,278.01-15,273.10

Finding the Fourth Proportional to 19,759.51, 27,278.01 and 15,273.10

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Solution

The fourth proportional to 19,759.51, 27,278.01 and 15,273.10 is: 21,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.51 : 27,278.01 = 15,273.10 : x
  2. Step 2: Convert to fraction form
    19,759.51/27,278.01 = 15,273.10/x
  3. Step 3: Cross multiply
    19,759.51x = 27,278.01 × 15,273.10
  4. Step 4: Simplify right side
    19,759.51x = 416,619,774.53
  5. Step 5: Solve for x
    x = 416,619,774.53/19,759.51
  6. Step 6: Final answer
    x = 21,084.52

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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.