Home / 26,495.20-39,742.80-16,641.40

Finding the Fourth Proportional to 26,495.20, 39,742.80 and 16,641.40

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Solution

The fourth proportional to 26,495.20, 39,742.80 and 16,641.40 is: 24,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,495.20 : 39,742.80 = 16,641.40 : x
  2. Step 2: Convert to fraction form
    26,495.20/39,742.80 = 16,641.40/x
  3. Step 3: Cross multiply
    26,495.20x = 39,742.80 × 16,641.40
  4. Step 4: Simplify right side
    26,495.20x = 661,375,831.92
  5. Step 5: Solve for x
    x = 661,375,831.92/26,495.20
  6. Step 6: Final answer
    x = 24,962.10

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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.