Home / 27,144.84-37,459.62-15,208.68

Finding the Fourth Proportional to 27,144.84, 37,459.62 and 15,208.68

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Solution

The fourth proportional to 27,144.84, 37,459.62 and 15,208.68 is: 20,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.84 : 37,459.62 = 15,208.68 : x
  2. Step 2: Convert to fraction form
    27,144.84/37,459.62 = 15,208.68/x
  3. Step 3: Cross multiply
    27,144.84x = 37,459.62 × 15,208.68
  4. Step 4: Simplify right side
    27,144.84x = 569,711,373.50
  5. Step 5: Solve for x
    x = 569,711,373.50/27,144.84
  6. Step 6: Final answer
    x = 20,987.83

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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.