Home / 27,518.14-37,975.44-15,581.14

Finding the Fourth Proportional to 27,518.14, 37,975.44 and 15,581.14

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Solution

The fourth proportional to 27,518.14, 37,975.44 and 15,581.14 is: 21,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.14 : 37,975.44 = 15,581.14 : x
  2. Step 2: Convert to fraction form
    27,518.14/37,975.44 = 15,581.14/x
  3. Step 3: Cross multiply
    27,518.14x = 37,975.44 × 15,581.14
  4. Step 4: Simplify right side
    27,518.14x = 591,700,647.20
  5. Step 5: Solve for x
    x = 591,700,647.20/27,518.14
  6. Step 6: Final answer
    x = 21,502.20

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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.