Home / 31,426.22-43,368.90-17,279.84

Finding the Fourth Proportional to 31,426.22, 43,368.90 and 17,279.84

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Solution

The fourth proportional to 31,426.22, 43,368.90 and 17,279.84 is: 23,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426.22 : 43,368.90 = 17,279.84 : x
  2. Step 2: Convert to fraction form
    31,426.22/43,368.90 = 17,279.84/x
  3. Step 3: Cross multiply
    31,426.22x = 43,368.90 × 17,279.84
  4. Step 4: Simplify right side
    31,426.22x = 749,407,652.98
  5. Step 5: Solve for x
    x = 749,407,652.98/31,426.22
  6. Step 6: Final answer
    x = 23,846.57

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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.