Home / 22,908.56-31,613.63-21,027.74

Finding the Fourth Proportional to 22,908.56, 31,613.63 and 21,027.74

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Solution

The fourth proportional to 22,908.56, 31,613.63 and 21,027.74 is: 29,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.56 : 31,613.63 = 21,027.74 : x
  2. Step 2: Convert to fraction form
    22,908.56/31,613.63 = 21,027.74/x
  3. Step 3: Cross multiply
    22,908.56x = 31,613.63 × 21,027.74
  4. Step 4: Simplify right side
    22,908.56x = 664,762,928.89
  5. Step 5: Solve for x
    x = 664,762,928.89/22,908.56
  6. Step 6: Final answer
    x = 29,018.11

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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.