Home / 27,234.78-37,586.40-15,301.02

Finding the Fourth Proportional to 27,234.78, 37,586.40 and 15,301.02

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Solution

The fourth proportional to 27,234.78, 37,586.40 and 15,301.02 is: 21,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,234.78 : 37,586.40 = 15,301.02 : x
  2. Step 2: Convert to fraction form
    27,234.78/37,586.40 = 15,301.02/x
  3. Step 3: Cross multiply
    27,234.78x = 37,586.40 × 15,301.02
  4. Step 4: Simplify right side
    27,234.78x = 575,110,258.13
  5. Step 5: Solve for x
    x = 575,110,258.13/27,234.78
  6. Step 6: Final answer
    x = 21,116.76

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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.