Home / 26,782.02-40,145.13-8,999.48

Finding the Fourth Proportional to 26,782.02, 40,145.13 and 8,999.48

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Solution

The fourth proportional to 26,782.02, 40,145.13 and 8,999.48 is: 13,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.02 : 40,145.13 = 8,999.48 : x
  2. Step 2: Convert to fraction form
    26,782.02/40,145.13 = 8,999.48/x
  3. Step 3: Cross multiply
    26,782.02x = 40,145.13 × 8,999.48
  4. Step 4: Simplify right side
    26,782.02x = 361,285,093.81
  5. Step 5: Solve for x
    x = 361,285,093.81/26,782.02
  6. Step 6: Final answer
    x = 13,489.84

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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.