Home / 27,059.77-37,341.10-15,120.78

Finding the Fourth Proportional to 27,059.77, 37,341.10 and 15,120.78

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Solution

The fourth proportional to 27,059.77, 37,341.10 and 15,120.78 is: 20,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,059.77 : 37,341.10 = 15,120.78 : x
  2. Step 2: Convert to fraction form
    27,059.77/37,341.10 = 15,120.78/x
  3. Step 3: Cross multiply
    27,059.77x = 37,341.10 × 15,120.78
  4. Step 4: Simplify right side
    27,059.77x = 564,626,295.75
  5. Step 5: Solve for x
    x = 564,626,295.75/27,059.77
  6. Step 6: Final answer
    x = 20,865.89

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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.