Home / 26,222.60-39,276.30-15,816.20

Finding the Fourth Proportional to 26,222.60, 39,276.30 and 15,816.20

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Solution

The fourth proportional to 26,222.60, 39,276.30 and 15,816.20 is: 23,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,222.60 : 39,276.30 = 15,816.20 : x
  2. Step 2: Convert to fraction form
    26,222.60/39,276.30 = 15,816.20/x
  3. Step 3: Cross multiply
    26,222.60x = 39,276.30 × 15,816.20
  4. Step 4: Simplify right side
    26,222.60x = 621,201,816.06
  5. Step 5: Solve for x
    x = 621,201,816.06/26,222.60
  6. Step 6: Final answer
    x = 23,689.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.