Home / 26,805.60-40,218.15-9,277.20

Finding the Fourth Proportional to 26,805.60, 40,218.15 and 9,277.20

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Solution

The fourth proportional to 26,805.60, 40,218.15 and 9,277.20 is: 13,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.60 : 40,218.15 = 9,277.20 : x
  2. Step 2: Convert to fraction form
    26,805.60/40,218.15 = 9,277.20/x
  3. Step 3: Cross multiply
    26,805.60x = 40,218.15 × 9,277.20
  4. Step 4: Simplify right side
    26,805.60x = 373,111,821.18
  5. Step 5: Solve for x
    x = 373,111,821.18/26,805.60
  6. Step 6: Final answer
    x = 13,919.17

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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.