Home / 27,315.23-37,697.20-15,377.85

Finding the Fourth Proportional to 27,315.23, 37,697.20 and 15,377.85

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Solution

The fourth proportional to 27,315.23, 37,697.20 and 15,377.85 is: 21,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.23 : 37,697.20 = 15,377.85 : x
  2. Step 2: Convert to fraction form
    27,315.23/37,697.20 = 15,377.85/x
  3. Step 3: Cross multiply
    27,315.23x = 37,697.20 × 15,377.85
  4. Step 4: Simplify right side
    27,315.23x = 579,701,848.58
  5. Step 5: Solve for x
    x = 579,701,848.58/27,315.23
  6. Step 6: Final answer
    x = 21,222.66

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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.