Home / 26,220.40-39,330.60-23,628.40

Finding the Fourth Proportional to 26,220.40, 39,330.60 and 23,628.40

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Solution

The fourth proportional to 26,220.40, 39,330.60 and 23,628.40 is: 35,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.40 : 39,330.60 = 23,628.40 : x
  2. Step 2: Convert to fraction form
    26,220.40/39,330.60 = 23,628.40/x
  3. Step 3: Cross multiply
    26,220.40x = 39,330.60 × 23,628.40
  4. Step 4: Simplify right side
    26,220.40x = 929,319,149.04
  5. Step 5: Solve for x
    x = 929,319,149.04/26,220.40
  6. Step 6: Final answer
    x = 35,442.60

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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.