Home / 31,528.54-43,508.04-17,188.03

Finding the Fourth Proportional to 31,528.54, 43,508.04 and 17,188.03

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Solution

The fourth proportional to 31,528.54, 43,508.04 and 17,188.03 is: 23,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.54 : 43,508.04 = 17,188.03 : x
  2. Step 2: Convert to fraction form
    31,528.54/43,508.04 = 17,188.03/x
  3. Step 3: Cross multiply
    31,528.54x = 43,508.04 × 17,188.03
  4. Step 4: Simplify right side
    31,528.54x = 747,817,496.76
  5. Step 5: Solve for x
    x = 747,817,496.76/31,528.54
  6. Step 6: Final answer
    x = 23,718.75

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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.