Home / 27,088.72-37,380.99-15,757.63

Finding the Fourth Proportional to 27,088.72, 37,380.99 and 15,757.63

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Solution

The fourth proportional to 27,088.72, 37,380.99 and 15,757.63 is: 21,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.72 : 37,380.99 = 15,757.63 : x
  2. Step 2: Convert to fraction form
    27,088.72/37,380.99 = 15,757.63/x
  3. Step 3: Cross multiply
    27,088.72x = 37,380.99 × 15,757.63
  4. Step 4: Simplify right side
    27,088.72x = 589,035,809.45
  5. Step 5: Solve for x
    x = 589,035,809.45/27,088.72
  6. Step 6: Final answer
    x = 21,744.69

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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.