Home / 26,405.40-36,440.30-14,469.50

Finding the Fourth Proportional to 26,405.40, 36,440.30 and 14,469.50

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Solution

The fourth proportional to 26,405.40, 36,440.30 and 14,469.50 is: 19,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.40 : 36,440.30 = 14,469.50 : x
  2. Step 2: Convert to fraction form
    26,405.40/36,440.30 = 14,469.50/x
  3. Step 3: Cross multiply
    26,405.40x = 36,440.30 × 14,469.50
  4. Step 4: Simplify right side
    26,405.40x = 527,272,865.92
  5. Step 5: Solve for x
    x = 527,272,865.92/26,405.40
  6. Step 6: Final answer
    x = 19,968.37

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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.