Home / 26,837.60-40,256.40-9,305.60

Finding the Fourth Proportional to 26,837.60, 40,256.40 and 9,305.60

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Solution

The fourth proportional to 26,837.60, 40,256.40 and 9,305.60 is: 13,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,837.60 : 40,256.40 = 9,305.60 : x
  2. Step 2: Convert to fraction form
    26,837.60/40,256.40 = 9,305.60/x
  3. Step 3: Cross multiply
    26,837.60x = 40,256.40 × 9,305.60
  4. Step 4: Simplify right side
    26,837.60x = 374,609,955.84
  5. Step 5: Solve for x
    x = 374,609,955.84/26,837.60
  6. Step 6: Final answer
    x = 13,958.40

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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.