Home / 26,017.20-39,025.80-25,628.40

Finding the Fourth Proportional to 26,017.20, 39,025.80 and 25,628.40

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Solution

The fourth proportional to 26,017.20, 39,025.80 and 25,628.40 is: 38,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,017.20 : 39,025.80 = 25,628.40 : x
  2. Step 2: Convert to fraction form
    26,017.20/39,025.80 = 25,628.40/x
  3. Step 3: Cross multiply
    26,017.20x = 39,025.80 × 25,628.40
  4. Step 4: Simplify right side
    26,017.20x = 1,000,168,812.72
  5. Step 5: Solve for x
    x = 1,000,168,812.72/26,017.20
  6. Step 6: Final answer
    x = 38,442.60

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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.