Home / 27,449.28-37,877.93-15,513.73

Finding the Fourth Proportional to 27,449.28, 37,877.93 and 15,513.73

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Solution

The fourth proportional to 27,449.28, 37,877.93 and 15,513.73 is: 21,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.28 : 37,877.93 = 15,513.73 : x
  2. Step 2: Convert to fraction form
    27,449.28/37,877.93 = 15,513.73/x
  3. Step 3: Cross multiply
    27,449.28x = 37,877.93 × 15,513.73
  4. Step 4: Simplify right side
    27,449.28x = 587,627,864.89
  5. Step 5: Solve for x
    x = 587,627,864.89/27,449.28
  6. Step 6: Final answer
    x = 21,407.77

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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.