Home / 23,027.05-31,777.29-12,955.50

Finding the Fourth Proportional to 23,027.05, 31,777.29 and 12,955.50

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Solution

The fourth proportional to 23,027.05, 31,777.29 and 12,955.50 is: 17,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.05 : 31,777.29 = 12,955.50 : x
  2. Step 2: Convert to fraction form
    23,027.05/31,777.29 = 12,955.50/x
  3. Step 3: Cross multiply
    23,027.05x = 31,777.29 × 12,955.50
  4. Step 4: Simplify right side
    23,027.05x = 411,690,680.60
  5. Step 5: Solve for x
    x = 411,690,680.60/23,027.05
  6. Step 6: Final answer
    x = 17,878.57

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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.