Home / 26,895.88-37,116.31-15,717.88

Finding the Fourth Proportional to 26,895.88, 37,116.31 and 15,717.88

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Solution

The fourth proportional to 26,895.88, 37,116.31 and 15,717.88 is: 21,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,895.88 : 37,116.31 = 15,717.88 : x
  2. Step 2: Convert to fraction form
    26,895.88/37,116.31 = 15,717.88/x
  3. Step 3: Cross multiply
    26,895.88x = 37,116.31 × 15,717.88
  4. Step 4: Simplify right side
    26,895.88x = 583,389,521.04
  5. Step 5: Solve for x
    x = 583,389,521.04/26,895.88
  6. Step 6: Final answer
    x = 21,690.67

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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.