Home / 26,820.64-40,222.20-19,442.08

Finding the Fourth Proportional to 26,820.64, 40,222.20 and 19,442.08

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Solution

The fourth proportional to 26,820.64, 40,222.20 and 19,442.08 is: 29,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.64 : 40,222.20 = 19,442.08 : x
  2. Step 2: Convert to fraction form
    26,820.64/40,222.20 = 19,442.08/x
  3. Step 3: Cross multiply
    26,820.64x = 40,222.20 × 19,442.08
  4. Step 4: Simplify right side
    26,820.64x = 782,003,230.18
  5. Step 5: Solve for x
    x = 782,003,230.18/26,820.64
  6. Step 6: Final answer
    x = 29,156.77

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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.