Home / 26,970.30-40,455.45-9,441.90

Finding the Fourth Proportional to 26,970.30, 40,455.45 and 9,441.90

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Solution

The fourth proportional to 26,970.30, 40,455.45 and 9,441.90 is: 14,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.30 : 40,455.45 = 9,441.90 : x
  2. Step 2: Convert to fraction form
    26,970.30/40,455.45 = 9,441.90/x
  3. Step 3: Cross multiply
    26,970.30x = 40,455.45 × 9,441.90
  4. Step 4: Simplify right side
    26,970.30x = 381,976,313.36
  5. Step 5: Solve for x
    x = 381,976,313.36/26,970.30
  6. Step 6: Final answer
    x = 14,162.85

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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.