Home / 27,086.96-37,381.84-15,151.40

Finding the Fourth Proportional to 27,086.96, 37,381.84 and 15,151.40

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Solution

The fourth proportional to 27,086.96, 37,381.84 and 15,151.40 is: 20,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.96 : 37,381.84 = 15,151.40 : x
  2. Step 2: Convert to fraction form
    27,086.96/37,381.84 = 15,151.40/x
  3. Step 3: Cross multiply
    27,086.96x = 37,381.84 × 15,151.40
  4. Step 4: Simplify right side
    27,086.96x = 566,387,210.58
  5. Step 5: Solve for x
    x = 566,387,210.58/27,086.96
  6. Step 6: Final answer
    x = 20,909.96

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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.