Home / 27,783.73-38,341.26-15,036.64

Finding the Fourth Proportional to 27,783.73, 38,341.26 and 15,036.64

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Solution

The fourth proportional to 27,783.73, 38,341.26 and 15,036.64 is: 20,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783.73 : 38,341.26 = 15,036.64 : x
  2. Step 2: Convert to fraction form
    27,783.73/38,341.26 = 15,036.64/x
  3. Step 3: Cross multiply
    27,783.73x = 38,341.26 × 15,036.64
  4. Step 4: Simplify right side
    27,783.73x = 576,523,667.38
  5. Step 5: Solve for x
    x = 576,523,667.38/27,783.73
  6. Step 6: Final answer
    x = 20,750.40

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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.