Home / 19,741.39-27,242.31-10,789.20

Finding the Fourth Proportional to 19,741.39, 27,242.31 and 10,789.20

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Solution

The fourth proportional to 19,741.39, 27,242.31 and 10,789.20 is: 14,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.39 : 27,242.31 = 10,789.20 : x
  2. Step 2: Convert to fraction form
    19,741.39/27,242.31 = 10,789.20/x
  3. Step 3: Cross multiply
    19,741.39x = 27,242.31 × 10,789.20
  4. Step 4: Simplify right side
    19,741.39x = 293,922,594.84
  5. Step 5: Solve for x
    x = 293,922,594.84/19,741.39
  6. Step 6: Final answer
    x = 14,888.65

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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.