Home / 20,933.59-31,344.37-17,612.08

Finding the Fourth Proportional to 20,933.59, 31,344.37 and 17,612.08

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Solution

The fourth proportional to 20,933.59, 31,344.37 and 17,612.08 is: 26,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.59 : 31,344.37 = 17,612.08 : x
  2. Step 2: Convert to fraction form
    20,933.59/31,344.37 = 17,612.08/x
  3. Step 3: Cross multiply
    20,933.59x = 31,344.37 × 17,612.08
  4. Step 4: Simplify right side
    20,933.59x = 552,039,605.91
  5. Step 5: Solve for x
    x = 552,039,605.91/20,933.59
  6. Step 6: Final answer
    x = 26,371.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.