Home / 23,025.45-31,774.80-12,953.90

Finding the Fourth Proportional to 23,025.45, 31,774.80 and 12,953.90

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Solution

The fourth proportional to 23,025.45, 31,774.80 and 12,953.90 is: 17,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,025.45 : 31,774.80 = 12,953.90 : x
  2. Step 2: Convert to fraction form
    23,025.45/31,774.80 = 12,953.90/x
  3. Step 3: Cross multiply
    23,025.45x = 31,774.80 × 12,953.90
  4. Step 4: Simplify right side
    23,025.45x = 411,607,422.85
  5. Step 5: Solve for x
    x = 411,607,422.85/23,025.45
  6. Step 6: Final answer
    x = 17,876.19

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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.