Home / 26,429.84-36,474.42-15,817.52

Finding the Fourth Proportional to 26,429.84, 36,474.42 and 15,817.52

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Solution

The fourth proportional to 26,429.84, 36,474.42 and 15,817.52 is: 21,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.84 : 36,474.42 = 15,817.52 : x
  2. Step 2: Convert to fraction form
    26,429.84/36,474.42 = 15,817.52/x
  3. Step 3: Cross multiply
    26,429.84x = 36,474.42 × 15,817.52
  4. Step 4: Simplify right side
    26,429.84x = 576,934,867.84
  5. Step 5: Solve for x
    x = 576,934,867.84/26,429.84
  6. Step 6: Final answer
    x = 21,828.92

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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.