Home / 27,426.66-37,848.51-15,489.96

Finding the Fourth Proportional to 27,426.66, 37,848.51 and 15,489.96

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Solution

The fourth proportional to 27,426.66, 37,848.51 and 15,489.96 is: 21,375.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.66 : 37,848.51 = 15,489.96 : x
  2. Step 2: Convert to fraction form
    27,426.66/37,848.51 = 15,489.96/x
  3. Step 3: Cross multiply
    27,426.66x = 37,848.51 × 15,489.96
  4. Step 4: Simplify right side
    27,426.66x = 586,271,905.96
  5. Step 5: Solve for x
    x = 586,271,905.96/27,426.66
  6. Step 6: Final answer
    x = 21,375.99

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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.