Home / 31,528.46-43,507.96-17,188.00

Finding the Fourth Proportional to 31,528.46, 43,507.96 and 17,188.00

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Solution

The fourth proportional to 31,528.46, 43,507.96 and 17,188.00 is: 23,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.46 : 43,507.96 = 17,188.00 : x
  2. Step 2: Convert to fraction form
    31,528.46/43,507.96 = 17,188.00/x
  3. Step 3: Cross multiply
    31,528.46x = 43,507.96 × 17,188.00
  4. Step 4: Simplify right side
    31,528.46x = 747,814,664.74
  5. Step 5: Solve for x
    x = 747,814,664.74/31,528.46
  6. Step 6: Final answer
    x = 23,718.72

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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.