Home / 27,381.50-37,785.62-15,444.66

Finding the Fourth Proportional to 27,381.50, 37,785.62 and 15,444.66

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Solution

The fourth proportional to 27,381.50, 37,785.62 and 15,444.66 is: 21,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.50 : 37,785.62 = 15,444.66 : x
  2. Step 2: Convert to fraction form
    27,381.50/37,785.62 = 15,444.66/x
  3. Step 3: Cross multiply
    27,381.50x = 37,785.62 × 15,444.66
  4. Step 4: Simplify right side
    27,381.50x = 583,586,053.79
  5. Step 5: Solve for x
    x = 583,586,053.79/27,381.50
  6. Step 6: Final answer
    x = 21,313.15

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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.