Home / 26,955.70-40,435.35-9,186.10

Finding the Fourth Proportional to 26,955.70, 40,435.35 and 9,186.10

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Solution

The fourth proportional to 26,955.70, 40,435.35 and 9,186.10 is: 13,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.70 : 40,435.35 = 9,186.10 : x
  2. Step 2: Convert to fraction form
    26,955.70/40,435.35 = 9,186.10/x
  3. Step 3: Cross multiply
    26,955.70x = 40,435.35 × 9,186.10
  4. Step 4: Simplify right side
    26,955.70x = 371,443,168.64
  5. Step 5: Solve for x
    x = 371,443,168.64/26,955.70
  6. Step 6: Final answer
    x = 13,779.76

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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.