Home / 31,426.07-43,366.88-17,278.82

Finding the Fourth Proportional to 31,426.07, 43,366.88 and 17,278.82

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Solution

The fourth proportional to 31,426.07, 43,366.88 and 17,278.82 is: 23,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426.07 : 43,366.88 = 17,278.82 : x
  2. Step 2: Convert to fraction form
    31,426.07/43,366.88 = 17,278.82/x
  3. Step 3: Cross multiply
    31,426.07x = 43,366.88 × 17,278.82
  4. Step 4: Simplify right side
    31,426.07x = 749,328,339.84
  5. Step 5: Solve for x
    x = 749,328,339.84/31,426.07
  6. Step 6: Final answer
    x = 23,844.16

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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.