Home / 28,234.79-38,963.42-17,476.81

Finding the Fourth Proportional to 28,234.79, 38,963.42 and 17,476.81

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Solution

The fourth proportional to 28,234.79, 38,963.42 and 17,476.81 is: 24,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.79 : 38,963.42 = 17,476.81 : x
  2. Step 2: Convert to fraction form
    28,234.79/38,963.42 = 17,476.81/x
  3. Step 3: Cross multiply
    28,234.79x = 38,963.42 × 17,476.81
  4. Step 4: Simplify right side
    28,234.79x = 680,956,006.09
  5. Step 5: Solve for x
    x = 680,956,006.09/28,234.79
  6. Step 6: Final answer
    x = 24,117.62

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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.