Home / 27,616.32-38,108.52-15,679.98

Finding the Fourth Proportional to 27,616.32, 38,108.52 and 15,679.98

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Solution

The fourth proportional to 27,616.32, 38,108.52 and 15,679.98 is: 21,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.32 : 38,108.52 = 15,679.98 : x
  2. Step 2: Convert to fraction form
    27,616.32/38,108.52 = 15,679.98/x
  3. Step 3: Cross multiply
    27,616.32x = 38,108.52 × 15,679.98
  4. Step 4: Simplify right side
    27,616.32x = 597,540,831.43
  5. Step 5: Solve for x
    x = 597,540,831.43/27,616.32
  6. Step 6: Final answer
    x = 21,637.24

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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.