Home / 27,130.55-37,440.05-15,193.85

Finding the Fourth Proportional to 27,130.55, 37,440.05 and 15,193.85

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Solution

The fourth proportional to 27,130.55, 37,440.05 and 15,193.85 is: 20,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.55 : 37,440.05 = 15,193.85 : x
  2. Step 2: Convert to fraction form
    27,130.55/37,440.05 = 15,193.85/x
  3. Step 3: Cross multiply
    27,130.55x = 37,440.05 × 15,193.85
  4. Step 4: Simplify right side
    27,130.55x = 568,858,240.52
  5. Step 5: Solve for x
    x = 568,858,240.52/27,130.55
  6. Step 6: Final answer
    x = 20,967.45

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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.