Home / 22,690.32-31,327.86-20,292.84

Finding the Fourth Proportional to 22,690.32, 31,327.86 and 20,292.84

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Solution

The fourth proportional to 22,690.32, 31,327.86 and 20,292.84 is: 28,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.32 : 31,327.86 = 20,292.84 : x
  2. Step 2: Convert to fraction form
    22,690.32/31,327.86 = 20,292.84/x
  3. Step 3: Cross multiply
    22,690.32x = 31,327.86 × 20,292.84
  4. Step 4: Simplify right side
    22,690.32x = 635,731,250.52
  5. Step 5: Solve for x
    x = 635,731,250.52/22,690.32
  6. Step 6: Final answer
    x = 28,017.73

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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.