Home / 27,709.06-38,238.69-15,773.29

Finding the Fourth Proportional to 27,709.06, 38,238.69 and 15,773.29

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Solution

The fourth proportional to 27,709.06, 38,238.69 and 15,773.29 is: 21,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709.06 : 38,238.69 = 15,773.29 : x
  2. Step 2: Convert to fraction form
    27,709.06/38,238.69 = 15,773.29/x
  3. Step 3: Cross multiply
    27,709.06x = 38,238.69 × 15,773.29
  4. Step 4: Simplify right side
    27,709.06x = 603,149,946.59
  5. Step 5: Solve for x
    x = 603,149,946.59/27,709.06
  6. Step 6: Final answer
    x = 21,767.25

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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.