Home / 23,027.66-31,775.91-12,955.89

Finding the Fourth Proportional to 23,027.66, 31,775.91 and 12,955.89

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Solution

The fourth proportional to 23,027.66, 31,775.91 and 12,955.89 is: 17,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.66 : 31,775.91 = 12,955.89 : x
  2. Step 2: Convert to fraction form
    23,027.66/31,775.91 = 12,955.89/x
  3. Step 3: Cross multiply
    23,027.66x = 31,775.91 × 12,955.89
  4. Step 4: Simplify right side
    23,027.66x = 411,685,194.61
  5. Step 5: Solve for x
    x = 411,685,194.61/23,027.66
  6. Step 6: Final answer
    x = 17,877.86

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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.