Home / 27,319.57-37,697.08-15,219.97

Finding the Fourth Proportional to 27,319.57, 37,697.08 and 15,219.97

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Solution

The fourth proportional to 27,319.57, 37,697.08 and 15,219.97 is: 21,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.57 : 37,697.08 = 15,219.97 : x
  2. Step 2: Convert to fraction form
    27,319.57/37,697.08 = 15,219.97/x
  3. Step 3: Cross multiply
    27,319.57x = 37,697.08 × 15,219.97
  4. Step 4: Simplify right side
    27,319.57x = 573,748,162.10
  5. Step 5: Solve for x
    x = 573,748,162.10/27,319.57
  6. Step 6: Final answer
    x = 21,001.37

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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.