Home / 27,688.96-38,201.76-16,358.88

Finding the Fourth Proportional to 27,688.96, 38,201.76 and 16,358.88

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Solution

The fourth proportional to 27,688.96, 38,201.76 and 16,358.88 is: 22,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.96 : 38,201.76 = 16,358.88 : x
  2. Step 2: Convert to fraction form
    27,688.96/38,201.76 = 16,358.88/x
  3. Step 3: Cross multiply
    27,688.96x = 38,201.76 × 16,358.88
  4. Step 4: Simplify right side
    27,688.96x = 624,938,007.63
  5. Step 5: Solve for x
    x = 624,938,007.63/27,688.96
  6. Step 6: Final answer
    x = 22,569.93

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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.