Home / 21,237.24-31,856.28-7,727.94

Finding the Fourth Proportional to 21,237.24, 31,856.28 and 7,727.94

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Solution

The fourth proportional to 21,237.24, 31,856.28 and 7,727.94 is: 11,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237.24 : 31,856.28 = 7,727.94 : x
  2. Step 2: Convert to fraction form
    21,237.24/31,856.28 = 7,727.94/x
  3. Step 3: Cross multiply
    21,237.24x = 31,856.28 × 7,727.94
  4. Step 4: Simplify right side
    21,237.24x = 246,183,420.46
  5. Step 5: Solve for x
    x = 246,183,420.46/21,237.24
  6. Step 6: Final answer
    x = 11,592.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.