Home / 26,440.65-39,660.42-6,450.20

Finding the Fourth Proportional to 26,440.65, 39,660.42 and 6,450.20

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Solution

The fourth proportional to 26,440.65, 39,660.42 and 6,450.20 is: 9,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.65 : 39,660.42 = 6,450.20 : x
  2. Step 2: Convert to fraction form
    26,440.65/39,660.42 = 6,450.20/x
  3. Step 3: Cross multiply
    26,440.65x = 39,660.42 × 6,450.20
  4. Step 4: Simplify right side
    26,440.65x = 255,817,641.08
  5. Step 5: Solve for x
    x = 255,817,641.08/26,440.65
  6. Step 6: Final answer
    x = 9,675.16

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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.