Home / 28,997.20-40,025.64-26,459.92

Finding the Fourth Proportional to 28,997.20, 40,025.64 and 26,459.92

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Solution

The fourth proportional to 28,997.20, 40,025.64 and 26,459.92 is: 36,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.20 : 40,025.64 = 26,459.92 : x
  2. Step 2: Convert to fraction form
    28,997.20/40,025.64 = 26,459.92/x
  3. Step 3: Cross multiply
    28,997.20x = 40,025.64 × 26,459.92
  4. Step 4: Simplify right side
    28,997.20x = 1,059,075,232.35
  5. Step 5: Solve for x
    x = 1,059,075,232.35/28,997.20
  6. Step 6: Final answer
    x = 36,523.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.