Home / 28,250.22-38,992.47-19,301.34

Finding the Fourth Proportional to 28,250.22, 38,992.47 and 19,301.34

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Solution

The fourth proportional to 28,250.22, 38,992.47 and 19,301.34 is: 26,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.22 : 38,992.47 = 19,301.34 : x
  2. Step 2: Convert to fraction form
    28,250.22/38,992.47 = 19,301.34/x
  3. Step 3: Cross multiply
    28,250.22x = 38,992.47 × 19,301.34
  4. Step 4: Simplify right side
    28,250.22x = 752,606,920.91
  5. Step 5: Solve for x
    x = 752,606,920.91/28,250.22
  6. Step 6: Final answer
    x = 26,640.75

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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.