Home / 26,943.20-40,411.95-7,223.75

Finding the Fourth Proportional to 26,943.20, 40,411.95 and 7,223.75

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Solution

The fourth proportional to 26,943.20, 40,411.95 and 7,223.75 is: 10,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.20 : 40,411.95 = 7,223.75 : x
  2. Step 2: Convert to fraction form
    26,943.20/40,411.95 = 7,223.75/x
  3. Step 3: Cross multiply
    26,943.20x = 40,411.95 × 7,223.75
  4. Step 4: Simplify right side
    26,943.20x = 291,925,823.81
  5. Step 5: Solve for x
    x = 291,925,823.81/26,943.20
  6. Step 6: Final answer
    x = 10,834.86

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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.