Home / 31,368.05-43,287.93-17,027.87

Finding the Fourth Proportional to 31,368.05, 43,287.93 and 17,027.87

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Solution

The fourth proportional to 31,368.05, 43,287.93 and 17,027.87 is: 23,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.05 : 43,287.93 = 17,027.87 : x
  2. Step 2: Convert to fraction form
    31,368.05/43,287.93 = 17,027.87/x
  3. Step 3: Cross multiply
    31,368.05x = 43,287.93 × 17,027.87
  4. Step 4: Simplify right side
    31,368.05x = 737,101,028.17
  5. Step 5: Solve for x
    x = 737,101,028.17/31,368.05
  6. Step 6: Final answer
    x = 23,498.47

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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.