Home / 26,903.32-40,354.56-12,101.78

Finding the Fourth Proportional to 26,903.32, 40,354.56 and 12,101.78

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Solution

The fourth proportional to 26,903.32, 40,354.56 and 12,101.78 is: 18,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,903.32 : 40,354.56 = 12,101.78 : x
  2. Step 2: Convert to fraction form
    26,903.32/40,354.56 = 12,101.78/x
  3. Step 3: Cross multiply
    26,903.32x = 40,354.56 × 12,101.78
  4. Step 4: Simplify right side
    26,903.32x = 488,362,007.12
  5. Step 5: Solve for x
    x = 488,362,007.12/26,903.32
  6. Step 6: Final answer
    x = 18,152.48

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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.