Home / 31,276.28-43,159.02-17,126.84

Finding the Fourth Proportional to 31,276.28, 43,159.02 and 17,126.84

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Solution

The fourth proportional to 31,276.28, 43,159.02 and 17,126.84 is: 23,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.28 : 43,159.02 = 17,126.84 : x
  2. Step 2: Convert to fraction form
    31,276.28/43,159.02 = 17,126.84/x
  3. Step 3: Cross multiply
    31,276.28x = 43,159.02 × 17,126.84
  4. Step 4: Simplify right side
    31,276.28x = 739,177,630.10
  5. Step 5: Solve for x
    x = 739,177,630.10/31,276.28
  6. Step 6: Final answer
    x = 23,633.81

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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.