Home / 26,779.28-40,193.82-13,641.50

Finding the Fourth Proportional to 26,779.28, 40,193.82 and 13,641.50

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Solution

The fourth proportional to 26,779.28, 40,193.82 and 13,641.50 is: 20,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.28 : 40,193.82 = 13,641.50 : x
  2. Step 2: Convert to fraction form
    26,779.28/40,193.82 = 13,641.50/x
  3. Step 3: Cross multiply
    26,779.28x = 40,193.82 × 13,641.50
  4. Step 4: Simplify right side
    26,779.28x = 548,303,995.53
  5. Step 5: Solve for x
    x = 548,303,995.53/26,779.28
  6. Step 6: Final answer
    x = 20,474.93

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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.