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Finding the Fourth Proportional to 26,320.40, 39,480.60 and 25,283.60

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Solution

The fourth proportional to 26,320.40, 39,480.60 and 25,283.60 is: 37,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.40 : 39,480.60 = 25,283.60 : x
  2. Step 2: Convert to fraction form
    26,320.40/39,480.60 = 25,283.60/x
  3. Step 3: Cross multiply
    26,320.40x = 39,480.60 × 25,283.60
  4. Step 4: Simplify right side
    26,320.40x = 998,211,698.16
  5. Step 5: Solve for x
    x = 998,211,698.16/26,320.40
  6. Step 6: Final answer
    x = 37,925.40

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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.