Home / 25,809.22-38,713.83-21,182.50

Finding the Fourth Proportional to 25,809.22, 38,713.83 and 21,182.50

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Solution

The fourth proportional to 25,809.22, 38,713.83 and 21,182.50 is: 31,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.22 : 38,713.83 = 21,182.50 : x
  2. Step 2: Convert to fraction form
    25,809.22/38,713.83 = 21,182.50/x
  3. Step 3: Cross multiply
    25,809.22x = 38,713.83 × 21,182.50
  4. Step 4: Simplify right side
    25,809.22x = 820,055,703.98
  5. Step 5: Solve for x
    x = 820,055,703.98/25,809.22
  6. Step 6: Final answer
    x = 31,773.75

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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.