Home / 19,447.70-26,856.24-15,497.88

Finding the Fourth Proportional to 19,447.70, 26,856.24 and 15,497.88

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Solution

The fourth proportional to 19,447.70, 26,856.24 and 15,497.88 is: 21,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.70 : 26,856.24 = 15,497.88 : x
  2. Step 2: Convert to fraction form
    19,447.70/26,856.24 = 15,497.88/x
  3. Step 3: Cross multiply
    19,447.70x = 26,856.24 × 15,497.88
  4. Step 4: Simplify right side
    19,447.70x = 416,214,784.77
  5. Step 5: Solve for x
    x = 416,214,784.77/19,447.70
  6. Step 6: Final answer
    x = 21,401.75

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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.