Home / 26,917.86-40,384.98-13,779.45

Finding the Fourth Proportional to 26,917.86, 40,384.98 and 13,779.45

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Solution

The fourth proportional to 26,917.86, 40,384.98 and 13,779.45 is: 20,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.86 : 40,384.98 = 13,779.45 : x
  2. Step 2: Convert to fraction form
    26,917.86/40,384.98 = 13,779.45/x
  3. Step 3: Cross multiply
    26,917.86x = 40,384.98 × 13,779.45
  4. Step 4: Simplify right side
    26,917.86x = 556,482,812.66
  5. Step 5: Solve for x
    x = 556,482,812.66/26,917.86
  6. Step 6: Final answer
    x = 20,673.37

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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.