Home / 27,994.79-38,633.22-15,248.57

Finding the Fourth Proportional to 27,994.79, 38,633.22 and 15,248.57

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Solution

The fourth proportional to 27,994.79, 38,633.22 and 15,248.57 is: 21,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.79 : 38,633.22 = 15,248.57 : x
  2. Step 2: Convert to fraction form
    27,994.79/38,633.22 = 15,248.57/x
  3. Step 3: Cross multiply
    27,994.79x = 38,633.22 × 15,248.57
  4. Step 4: Simplify right side
    27,994.79x = 589,101,166.33
  5. Step 5: Solve for x
    x = 589,101,166.33/27,994.79
  6. Step 6: Final answer
    x = 21,043.25

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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.