Home / 26,702.04-40,052.64-6,981.78

Finding the Fourth Proportional to 26,702.04, 40,052.64 and 6,981.78

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Solution

The fourth proportional to 26,702.04, 40,052.64 and 6,981.78 is: 10,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,702.04 : 40,052.64 = 6,981.78 : x
  2. Step 2: Convert to fraction form
    26,702.04/40,052.64 = 6,981.78/x
  3. Step 3: Cross multiply
    26,702.04x = 40,052.64 × 6,981.78
  4. Step 4: Simplify right side
    26,702.04x = 279,638,720.90
  5. Step 5: Solve for x
    x = 279,638,720.90/26,702.04
  6. Step 6: Final answer
    x = 10,472.56

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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.