Home / 27,446.88-37,873.92-15,510.40

Finding the Fourth Proportional to 27,446.88, 37,873.92 and 15,510.40

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Solution

The fourth proportional to 27,446.88, 37,873.92 and 15,510.40 is: 21,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,446.88 : 37,873.92 = 15,510.40 : x
  2. Step 2: Convert to fraction form
    27,446.88/37,873.92 = 15,510.40/x
  3. Step 3: Cross multiply
    27,446.88x = 37,873.92 × 15,510.40
  4. Step 4: Simplify right side
    27,446.88x = 587,439,648.77
  5. Step 5: Solve for x
    x = 587,439,648.77/27,446.88
  6. Step 6: Final answer
    x = 21,402.78

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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.