Home / 26,671.60-40,009.35-9,141.28

Finding the Fourth Proportional to 26,671.60, 40,009.35 and 9,141.28

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Solution

The fourth proportional to 26,671.60, 40,009.35 and 9,141.28 is: 13,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,671.60 : 40,009.35 = 9,141.28 : x
  2. Step 2: Convert to fraction form
    26,671.60/40,009.35 = 9,141.28/x
  3. Step 3: Cross multiply
    26,671.60x = 40,009.35 × 9,141.28
  4. Step 4: Simplify right side
    26,671.60x = 365,736,670.97
  5. Step 5: Solve for x
    x = 365,736,670.97/26,671.60
  6. Step 6: Final answer
    x = 13,712.59

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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.