Home / 27,429.48-37,852.68-15,493.62

Finding the Fourth Proportional to 27,429.48, 37,852.68 and 15,493.62

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Solution

The fourth proportional to 27,429.48, 37,852.68 and 15,493.62 is: 21,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.48 : 37,852.68 = 15,493.62 : x
  2. Step 2: Convert to fraction form
    27,429.48/37,852.68 = 15,493.62/x
  3. Step 3: Cross multiply
    27,429.48x = 37,852.68 × 15,493.62
  4. Step 4: Simplify right side
    27,429.48x = 586,475,039.90
  5. Step 5: Solve for x
    x = 586,475,039.90/27,429.48
  6. Step 6: Final answer
    x = 21,381.19

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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.