Home / 26,656.50-39,940.98-9,116.76

Finding the Fourth Proportional to 26,656.50, 39,940.98 and 9,116.76

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Solution

The fourth proportional to 26,656.50, 39,940.98 and 9,116.76 is: 13,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.50 : 39,940.98 = 9,116.76 : x
  2. Step 2: Convert to fraction form
    26,656.50/39,940.98 = 9,116.76/x
  3. Step 3: Cross multiply
    26,656.50x = 39,940.98 × 9,116.76
  4. Step 4: Simplify right side
    26,656.50x = 364,132,328.82
  5. Step 5: Solve for x
    x = 364,132,328.82/26,656.50
  6. Step 6: Final answer
    x = 13,660.17

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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.