Home / 23,027.29-31,777.31-12,955.74

Finding the Fourth Proportional to 23,027.29, 31,777.31 and 12,955.74

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Solution

The fourth proportional to 23,027.29, 31,777.31 and 12,955.74 is: 17,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.29 : 31,777.31 = 12,955.74 : x
  2. Step 2: Convert to fraction form
    23,027.29/31,777.31 = 12,955.74/x
  3. Step 3: Cross multiply
    23,027.29x = 31,777.31 × 12,955.74
  4. Step 4: Simplify right side
    23,027.29x = 411,698,598.65
  5. Step 5: Solve for x
    x = 411,698,598.65/23,027.29
  6. Step 6: Final answer
    x = 17,878.73

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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.