Home / 27,953.42-38,631.06-22,909.68

Finding the Fourth Proportional to 27,953.42, 38,631.06 and 22,909.68

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Solution

The fourth proportional to 27,953.42, 38,631.06 and 22,909.68 is: 31,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.42 : 38,631.06 = 22,909.68 : x
  2. Step 2: Convert to fraction form
    27,953.42/38,631.06 = 22,909.68/x
  3. Step 3: Cross multiply
    27,953.42x = 38,631.06 × 22,909.68
  4. Step 4: Simplify right side
    27,953.42x = 885,025,222.66
  5. Step 5: Solve for x
    x = 885,025,222.66/27,953.42
  6. Step 6: Final answer
    x = 31,660.72

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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.