Home / 27,165.63-40,740.53-10,521.95

Finding the Fourth Proportional to 27,165.63, 40,740.53 and 10,521.95

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Solution

The fourth proportional to 27,165.63, 40,740.53 and 10,521.95 is: 15,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.63 : 40,740.53 = 10,521.95 : x
  2. Step 2: Convert to fraction form
    27,165.63/40,740.53 = 10,521.95/x
  3. Step 3: Cross multiply
    27,165.63x = 40,740.53 × 10,521.95
  4. Step 4: Simplify right side
    27,165.63x = 428,669,819.63
  5. Step 5: Solve for x
    x = 428,669,819.63/27,165.63
  6. Step 6: Final answer
    x = 15,779.86

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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.