Home / 21,529.37-29,711.19-13,033.05

Finding the Fourth Proportional to 21,529.37, 29,711.19 and 13,033.05

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Solution

The fourth proportional to 21,529.37, 29,711.19 and 13,033.05 is: 17,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.37 : 29,711.19 = 13,033.05 : x
  2. Step 2: Convert to fraction form
    21,529.37/29,711.19 = 13,033.05/x
  3. Step 3: Cross multiply
    21,529.37x = 29,711.19 × 13,033.05
  4. Step 4: Simplify right side
    21,529.37x = 387,227,424.83
  5. Step 5: Solve for x
    x = 387,227,424.83/21,529.37
  6. Step 6: Final answer
    x = 17,986.01

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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.