Home / 22,949.78-31,665.86-15,003.68

Finding the Fourth Proportional to 22,949.78, 31,665.86 and 15,003.68

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Solution

The fourth proportional to 22,949.78, 31,665.86 and 15,003.68 is: 20,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.78 : 31,665.86 = 15,003.68 : x
  2. Step 2: Convert to fraction form
    22,949.78/31,665.86 = 15,003.68/x
  3. Step 3: Cross multiply
    22,949.78x = 31,665.86 × 15,003.68
  4. Step 4: Simplify right side
    22,949.78x = 475,104,430.36
  5. Step 5: Solve for x
    x = 475,104,430.36/22,949.78
  6. Step 6: Final answer
    x = 20,701.92

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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.