Home / 27,727.60-38,264.32-15,152.56

Finding the Fourth Proportional to 27,727.60, 38,264.32 and 15,152.56

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Solution

The fourth proportional to 27,727.60, 38,264.32 and 15,152.56 is: 20,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.60 : 38,264.32 = 15,152.56 : x
  2. Step 2: Convert to fraction form
    27,727.60/38,264.32 = 15,152.56/x
  3. Step 3: Cross multiply
    27,727.60x = 38,264.32 × 15,152.56
  4. Step 4: Simplify right side
    27,727.60x = 579,802,404.66
  5. Step 5: Solve for x
    x = 579,802,404.66/27,727.60
  6. Step 6: Final answer
    x = 20,910.66

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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.