Home / 26,860.65-40,276.80-9,085.20

Finding the Fourth Proportional to 26,860.65, 40,276.80 and 9,085.20

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Solution

The fourth proportional to 26,860.65, 40,276.80 and 9,085.20 is: 13,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.65 : 40,276.80 = 9,085.20 : x
  2. Step 2: Convert to fraction form
    26,860.65/40,276.80 = 9,085.20/x
  3. Step 3: Cross multiply
    26,860.65x = 40,276.80 × 9,085.20
  4. Step 4: Simplify right side
    26,860.65x = 365,922,783.36
  5. Step 5: Solve for x
    x = 365,922,783.36/26,860.65
  6. Step 6: Final answer
    x = 13,623.01

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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.