Home / 27,246.72-37,598.64-15,311.20

Finding the Fourth Proportional to 27,246.72, 37,598.64 and 15,311.20

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Solution

The fourth proportional to 27,246.72, 37,598.64 and 15,311.20 is: 21,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,246.72 : 37,598.64 = 15,311.20 : x
  2. Step 2: Convert to fraction form
    27,246.72/37,598.64 = 15,311.20/x
  3. Step 3: Cross multiply
    27,246.72x = 37,598.64 × 15,311.20
  4. Step 4: Simplify right side
    27,246.72x = 575,680,296.77
  5. Step 5: Solve for x
    x = 575,680,296.77/27,246.72
  6. Step 6: Final answer
    x = 21,128.43

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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.