Home / 20,073.32-29,966.77-18,739.24

Finding the Fourth Proportional to 20,073.32, 29,966.77 and 18,739.24

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Solution

The fourth proportional to 20,073.32, 29,966.77 and 18,739.24 is: 27,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.32 : 29,966.77 = 18,739.24 : x
  2. Step 2: Convert to fraction form
    20,073.32/29,966.77 = 18,739.24/x
  3. Step 3: Cross multiply
    20,073.32x = 29,966.77 × 18,739.24
  4. Step 4: Simplify right side
    20,073.32x = 561,554,401.36
  5. Step 5: Solve for x
    x = 561,554,401.36/20,073.32
  6. Step 6: Final answer
    x = 27,975.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.