Home / 28,251.72-38,994.54-19,302.84

Finding the Fourth Proportional to 28,251.72, 38,994.54 and 19,302.84

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Solution

The fourth proportional to 28,251.72, 38,994.54 and 19,302.84 is: 26,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.72 : 38,994.54 = 19,302.84 : x
  2. Step 2: Convert to fraction form
    28,251.72/38,994.54 = 19,302.84/x
  3. Step 3: Cross multiply
    28,251.72x = 38,994.54 × 19,302.84
  4. Step 4: Simplify right side
    28,251.72x = 752,705,366.49
  5. Step 5: Solve for x
    x = 752,705,366.49/28,251.72
  6. Step 6: Final answer
    x = 26,642.82

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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.