Home / 27,355.05-37,749.96-14,779.80

Finding the Fourth Proportional to 27,355.05, 37,749.96 and 14,779.80

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Solution

The fourth proportional to 27,355.05, 37,749.96 and 14,779.80 is: 20,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.05 : 37,749.96 = 14,779.80 : x
  2. Step 2: Convert to fraction form
    27,355.05/37,749.96 = 14,779.80/x
  3. Step 3: Cross multiply
    27,355.05x = 37,749.96 × 14,779.80
  4. Step 4: Simplify right side
    27,355.05x = 557,936,858.81
  5. Step 5: Solve for x
    x = 557,936,858.81/27,355.05
  6. Step 6: Final answer
    x = 20,396.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.