Home / 21,571.41-29,777.72-14,501.93

Finding the Fourth Proportional to 21,571.41, 29,777.72 and 14,501.93

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Solution

The fourth proportional to 21,571.41, 29,777.72 and 14,501.93 is: 20,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.41 : 29,777.72 = 14,501.93 : x
  2. Step 2: Convert to fraction form
    21,571.41/29,777.72 = 14,501.93/x
  3. Step 3: Cross multiply
    21,571.41x = 29,777.72 × 14,501.93
  4. Step 4: Simplify right side
    21,571.41x = 431,834,410.03
  5. Step 5: Solve for x
    x = 431,834,410.03/21,571.41
  6. Step 6: Final answer
    x = 20,018.83

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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.