Home / 27,723.25-38,259.03-15,148.81

Finding the Fourth Proportional to 27,723.25, 38,259.03 and 15,148.81

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Solution

The fourth proportional to 27,723.25, 38,259.03 and 15,148.81 is: 20,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.25 : 38,259.03 = 15,148.81 : x
  2. Step 2: Convert to fraction form
    27,723.25/38,259.03 = 15,148.81/x
  3. Step 3: Cross multiply
    27,723.25x = 38,259.03 × 15,148.81
  4. Step 4: Simplify right side
    27,723.25x = 579,578,776.25
  5. Step 5: Solve for x
    x = 579,578,776.25/27,723.25
  6. Step 6: Final answer
    x = 20,905.87

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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.