Home / 23,138.04-31,930.36-12,527.45

Finding the Fourth Proportional to 23,138.04, 31,930.36 and 12,527.45

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Solution

The fourth proportional to 23,138.04, 31,930.36 and 12,527.45 is: 17,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.04 : 31,930.36 = 12,527.45 : x
  2. Step 2: Convert to fraction form
    23,138.04/31,930.36 = 12,527.45/x
  3. Step 3: Cross multiply
    23,138.04x = 31,930.36 × 12,527.45
  4. Step 4: Simplify right side
    23,138.04x = 400,005,988.38
  5. Step 5: Solve for x
    x = 400,005,988.38/23,138.04
  6. Step 6: Final answer
    x = 17,287.81

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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.