Home / 27,313.96-37,690.38-15,377.08

Finding the Fourth Proportional to 27,313.96, 37,690.38 and 15,377.08

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Solution

The fourth proportional to 27,313.96, 37,690.38 and 15,377.08 is: 21,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.96 : 37,690.38 = 15,377.08 : x
  2. Step 2: Convert to fraction form
    27,313.96/37,690.38 = 15,377.08/x
  3. Step 3: Cross multiply
    27,313.96x = 37,690.38 × 15,377.08
  4. Step 4: Simplify right side
    27,313.96x = 579,567,988.49
  5. Step 5: Solve for x
    x = 579,567,988.49/27,313.96
  6. Step 6: Final answer
    x = 21,218.75

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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.