Home / 20,233.41-27,917.35-12,275.43

Finding the Fourth Proportional to 20,233.41, 27,917.35 and 12,275.43

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Solution

The fourth proportional to 20,233.41, 27,917.35 and 12,275.43 is: 16,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.41 : 27,917.35 = 12,275.43 : x
  2. Step 2: Convert to fraction form
    20,233.41/27,917.35 = 12,275.43/x
  3. Step 3: Cross multiply
    20,233.41x = 27,917.35 × 12,275.43
  4. Step 4: Simplify right side
    20,233.41x = 342,697,475.71
  5. Step 5: Solve for x
    x = 342,697,475.71/20,233.41
  6. Step 6: Final answer
    x = 16,937.21

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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.