Home / 29,262.76-40,383.32-16,688.68

Finding the Fourth Proportional to 29,262.76, 40,383.32 and 16,688.68

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Solution

The fourth proportional to 29,262.76, 40,383.32 and 16,688.68 is: 23,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,262.76 : 40,383.32 = 16,688.68 : x
  2. Step 2: Convert to fraction form
    29,262.76/40,383.32 = 16,688.68/x
  3. Step 3: Cross multiply
    29,262.76x = 40,383.32 × 16,688.68
  4. Step 4: Simplify right side
    29,262.76x = 673,944,304.82
  5. Step 5: Solve for x
    x = 673,944,304.82/29,262.76
  6. Step 6: Final answer
    x = 23,030.78

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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.