Home / 21,775.44-30,040.92-14,510.70

Finding the Fourth Proportional to 21,775.44, 30,040.92 and 14,510.70

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Solution

The fourth proportional to 21,775.44, 30,040.92 and 14,510.70 is: 20,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.44 : 30,040.92 = 14,510.70 : x
  2. Step 2: Convert to fraction form
    21,775.44/30,040.92 = 14,510.70/x
  3. Step 3: Cross multiply
    21,775.44x = 30,040.92 × 14,510.70
  4. Step 4: Simplify right side
    21,775.44x = 435,914,777.84
  5. Step 5: Solve for x
    x = 435,914,777.84/21,775.44
  6. Step 6: Final answer
    x = 20,018.64

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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.