Home / 23,007-31,736.70-15,047.40

Finding the Fourth Proportional to 23,007, 31,736.70 and 15,047.40

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Solution

The fourth proportional to 23,007, 31,736.70 and 15,047.40 is: 20,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,007 : 31,736.70 = 15,047.40 : x
  2. Step 2: Convert to fraction form
    23,007/31,736.70 = 15,047.40/x
  3. Step 3: Cross multiply
    23,007x = 31,736.70 × 15,047.40
  4. Step 4: Simplify right side
    23,007x = 477,554,819.58
  5. Step 5: Solve for x
    x = 477,554,819.58/23,007
  6. Step 6: Final answer
    x = 20,756.94

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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.