Home / 27,661.29-38,177.55-16,330.12

Finding the Fourth Proportional to 27,661.29, 38,177.55 and 16,330.12

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Solution

The fourth proportional to 27,661.29, 38,177.55 and 16,330.12 is: 22,538.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661.29 : 38,177.55 = 16,330.12 : x
  2. Step 2: Convert to fraction form
    27,661.29/38,177.55 = 16,330.12/x
  3. Step 3: Cross multiply
    27,661.29x = 38,177.55 × 16,330.12
  4. Step 4: Simplify right side
    27,661.29x = 623,443,972.81
  5. Step 5: Solve for x
    x = 623,443,972.81/27,661.29
  6. Step 6: Final answer
    x = 22,538.50

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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.