Home / 27,354.97-37,749.81-14,779.72

Finding the Fourth Proportional to 27,354.97, 37,749.81 and 14,779.72

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Solution

The fourth proportional to 27,354.97, 37,749.81 and 14,779.72 is: 20,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.97 : 37,749.81 = 14,779.72 : x
  2. Step 2: Convert to fraction form
    27,354.97/37,749.81 = 14,779.72/x
  3. Step 3: Cross multiply
    27,354.97x = 37,749.81 × 14,779.72
  4. Step 4: Simplify right side
    27,354.97x = 557,931,621.85
  5. Step 5: Solve for x
    x = 557,931,621.85/27,354.97
  6. Step 6: Final answer
    x = 20,395.99

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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.