Home / 21,627.71-32,422.24-11,637.81

Finding the Fourth Proportional to 21,627.71, 32,422.24 and 11,637.81

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Solution

The fourth proportional to 21,627.71, 32,422.24 and 11,637.81 is: 17,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.71 : 32,422.24 = 11,637.81 : x
  2. Step 2: Convert to fraction form
    21,627.71/32,422.24 = 11,637.81/x
  3. Step 3: Cross multiply
    21,627.71x = 32,422.24 × 11,637.81
  4. Step 4: Simplify right side
    21,627.71x = 377,323,883.44
  5. Step 5: Solve for x
    x = 377,323,883.44/21,627.71
  6. Step 6: Final answer
    x = 17,446.32

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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.