Home / 27,356.05-37,751.34-14,780.80

Finding the Fourth Proportional to 27,356.05, 37,751.34 and 14,780.80

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Solution

The fourth proportional to 27,356.05, 37,751.34 and 14,780.80 is: 20,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.05 : 37,751.34 = 14,780.80 : x
  2. Step 2: Convert to fraction form
    27,356.05/37,751.34 = 14,780.80/x
  3. Step 3: Cross multiply
    27,356.05x = 37,751.34 × 14,780.80
  4. Step 4: Simplify right side
    27,356.05x = 557,995,006.27
  5. Step 5: Solve for x
    x = 557,995,006.27/27,356.05
  6. Step 6: Final answer
    x = 20,397.50

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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.