Home / 21,738.57-30,059.63-17,254.53

Finding the Fourth Proportional to 21,738.57, 30,059.63 and 17,254.53

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Solution

The fourth proportional to 21,738.57, 30,059.63 and 17,254.53 is: 23,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.57 : 30,059.63 = 17,254.53 : x
  2. Step 2: Convert to fraction form
    21,738.57/30,059.63 = 17,254.53/x
  3. Step 3: Cross multiply
    21,738.57x = 30,059.63 × 17,254.53
  4. Step 4: Simplify right side
    21,738.57x = 518,664,904.41
  5. Step 5: Solve for x
    x = 518,664,904.41/21,738.57
  6. Step 6: Final answer
    x = 23,859.20

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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.