Home / 26,888.88-37,101.20-15,708.72

Finding the Fourth Proportional to 26,888.88, 37,101.20 and 15,708.72

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Solution

The fourth proportional to 26,888.88, 37,101.20 and 15,708.72 is: 21,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.88 : 37,101.20 = 15,708.72 : x
  2. Step 2: Convert to fraction form
    26,888.88/37,101.20 = 15,708.72/x
  3. Step 3: Cross multiply
    26,888.88x = 37,101.20 × 15,708.72
  4. Step 4: Simplify right side
    26,888.88x = 582,812,362.46
  5. Step 5: Solve for x
    x = 582,812,362.46/26,888.88
  6. Step 6: Final answer
    x = 21,674.85

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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.