Home / 28,251.22-38,993.85-19,302.34

Finding the Fourth Proportional to 28,251.22, 38,993.85 and 19,302.34

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Solution

The fourth proportional to 28,251.22, 38,993.85 and 19,302.34 is: 26,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.22 : 38,993.85 = 19,302.34 : x
  2. Step 2: Convert to fraction form
    28,251.22/38,993.85 = 19,302.34/x
  3. Step 3: Cross multiply
    28,251.22x = 38,993.85 × 19,302.34
  4. Step 4: Simplify right side
    28,251.22x = 752,672,550.61
  5. Step 5: Solve for x
    x = 752,672,550.61/28,251.22
  6. Step 6: Final answer
    x = 26,642.13

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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.