Home / 23,138.07-31,930.64-12,527.69

Finding the Fourth Proportional to 23,138.07, 31,930.64 and 12,527.69

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Solution

The fourth proportional to 23,138.07, 31,930.64 and 12,527.69 is: 17,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.07 : 31,930.64 = 12,527.69 : x
  2. Step 2: Convert to fraction form
    23,138.07/31,930.64 = 12,527.69/x
  3. Step 3: Cross multiply
    23,138.07x = 31,930.64 × 12,527.69
  4. Step 4: Simplify right side
    23,138.07x = 400,016,937.13
  5. Step 5: Solve for x
    x = 400,016,937.13/23,138.07
  6. Step 6: Final answer
    x = 17,288.26

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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.