Home / 27,178.07-40,779.24-10,539.41

Finding the Fourth Proportional to 27,178.07, 40,779.24 and 10,539.41

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Solution

The fourth proportional to 27,178.07, 40,779.24 and 10,539.41 is: 15,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.07 : 40,779.24 = 10,539.41 : x
  2. Step 2: Convert to fraction form
    27,178.07/40,779.24 = 10,539.41/x
  3. Step 3: Cross multiply
    27,178.07x = 40,779.24 × 10,539.41
  4. Step 4: Simplify right side
    27,178.07x = 429,788,886.43
  5. Step 5: Solve for x
    x = 429,788,886.43/27,178.07
  6. Step 6: Final answer
    x = 15,813.81

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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.