Home / 26,878.20-40,317.30-9,342.20

Finding the Fourth Proportional to 26,878.20, 40,317.30 and 9,342.20

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Solution

The fourth proportional to 26,878.20, 40,317.30 and 9,342.20 is: 14,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.20 : 40,317.30 = 9,342.20 : x
  2. Step 2: Convert to fraction form
    26,878.20/40,317.30 = 9,342.20/x
  3. Step 3: Cross multiply
    26,878.20x = 40,317.30 × 9,342.20
  4. Step 4: Simplify right side
    26,878.20x = 376,652,280.06
  5. Step 5: Solve for x
    x = 376,652,280.06/26,878.20
  6. Step 6: Final answer
    x = 14,013.30

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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.