Home / 27,834.12-38,410.86-15,258.84

Finding the Fourth Proportional to 27,834.12, 38,410.86 and 15,258.84

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Solution

The fourth proportional to 27,834.12, 38,410.86 and 15,258.84 is: 21,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.12 : 38,410.86 = 15,258.84 : x
  2. Step 2: Convert to fraction form
    27,834.12/38,410.86 = 15,258.84/x
  3. Step 3: Cross multiply
    27,834.12x = 38,410.86 × 15,258.84
  4. Step 4: Simplify right side
    27,834.12x = 586,105,167.00
  5. Step 5: Solve for x
    x = 586,105,167.00/27,834.12
  6. Step 6: Final answer
    x = 21,057.08

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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.